Home / 2,639,547-3,642,535.98-1,551,940.92

Finding the Fourth Proportional to 2,639,547, 3,642,535.98 and 1,551,940.92

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Solution

The fourth proportional to 2,639,547, 3,642,535.98 and 1,551,940.92 is: 2,141,655.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,547 : 3,642,535.98 = 1,551,940.92 : x
  2. Step 2: Convert to fraction form
    2,639,547/3,642,535.98 = 1,551,940.92/x
  3. Step 3: Cross multiply
    2,639,547x = 3,642,535.98 × 1,551,940.92
  4. Step 4: Simplify right side
    2,639,547x = 5,653,000,639,934.30
  5. Step 5: Solve for x
    x = 5,653,000,639,934.30/2,639,547
  6. Step 6: Final answer
    x = 2,141,655.61

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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.