Home / 6,643,428.30-9,167,931-3,587,642.28

Finding the Fourth Proportional to 6,643,428.30, 9,167,931 and 3,587,642.28

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Solution

The fourth proportional to 6,643,428.30, 9,167,931 and 3,587,642.28 is: 4,950,946.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643,428.30 : 9,167,931 = 3,587,642.28 : x
  2. Step 2: Convert to fraction form
    6,643,428.30/9,167,931 = 3,587,642.28/x
  3. Step 3: Cross multiply
    6,643,428.30x = 9,167,931 × 3,587,642.28
  4. Step 4: Simplify right side
    6,643,428.30x = 32,891,256,875,722.68
  5. Step 5: Solve for x
    x = 32,891,256,875,722.68/6,643,428.30
  6. Step 6: Final answer
    x = 4,950,946.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.