Home / 2,068,291.40-3,102,728.70-648,199.40

Finding the Fourth Proportional to 2,068,291.40, 3,102,728.70 and 648,199.40

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Solution

The fourth proportional to 2,068,291.40, 3,102,728.70 and 648,199.40 is: 972,390.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068,291.40 : 3,102,728.70 = 648,199.40 : x
  2. Step 2: Convert to fraction form
    2,068,291.40/3,102,728.70 = 648,199.40/x
  3. Step 3: Cross multiply
    2,068,291.40x = 3,102,728.70 × 648,199.40
  4. Step 4: Simplify right side
    2,068,291.40x = 2,011,186,881,702.78
  5. Step 5: Solve for x
    x = 2,011,186,881,702.78/2,068,291.40
  6. Step 6: Final answer
    x = 972,390.49

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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.