Home / 2,784,547.28-4,176,824.56-762,809.16

Finding the Fourth Proportional to 2,784,547.28, 4,176,824.56 and 762,809.16

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Solution

The fourth proportional to 2,784,547.28, 4,176,824.56 and 762,809.16 is: 1,144,214.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784,547.28 : 4,176,824.56 = 762,809.16 : x
  2. Step 2: Convert to fraction form
    2,784,547.28/4,176,824.56 = 762,809.16/x
  3. Step 3: Cross multiply
    2,784,547.28x = 4,176,824.56 × 762,809.16
  4. Step 4: Simplify right side
    2,784,547.28x = 3,186,120,034,080.97
  5. Step 5: Solve for x
    x = 3,186,120,034,080.97/2,784,547.28
  6. Step 6: Final answer
    x = 1,144,214.74

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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.