Home / 3,128,872.49-4,694,041.03-969,784.76

Finding the Fourth Proportional to 3,128,872.49, 4,694,041.03 and 969,784.76

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Solution

The fourth proportional to 3,128,872.49, 4,694,041.03 and 969,784.76 is: 1,454,904.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,872.49 : 4,694,041.03 = 969,784.76 : x
  2. Step 2: Convert to fraction form
    3,128,872.49/4,694,041.03 = 969,784.76/x
  3. Step 3: Cross multiply
    3,128,872.49x = 4,694,041.03 × 969,784.76
  4. Step 4: Simplify right side
    3,128,872.49x = 4,552,209,453,708.70
  5. Step 5: Solve for x
    x = 4,552,209,453,708.70/3,128,872.49
  6. Step 6: Final answer
    x = 1,454,904.11

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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.