Home / 3,118,121.40-4,677,182.10-1,224,233.40

Finding the Fourth Proportional to 3,118,121.40, 4,677,182.10 and 1,224,233.40

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Solution

The fourth proportional to 3,118,121.40, 4,677,182.10 and 1,224,233.40 is: 1,836,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,121.40 : 4,677,182.10 = 1,224,233.40 : x
  2. Step 2: Convert to fraction form
    3,118,121.40/4,677,182.10 = 1,224,233.40/x
  3. Step 3: Cross multiply
    3,118,121.40x = 4,677,182.10 × 1,224,233.40
  4. Step 4: Simplify right side
    3,118,121.40x = 5,725,962,544,702.14
  5. Step 5: Solve for x
    x = 5,725,962,544,702.14/3,118,121.40
  6. Step 6: Final answer
    x = 1,836,350.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.