Home / 3,187,315.76-4,398,367.32-1,736,980.04

Finding the Fourth Proportional to 3,187,315.76, 4,398,367.32 and 1,736,980.04

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Solution

The fourth proportional to 3,187,315.76, 4,398,367.32 and 1,736,980.04 is: 2,396,962.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187,315.76 : 4,398,367.32 = 1,736,980.04 : x
  2. Step 2: Convert to fraction form
    3,187,315.76/4,398,367.32 = 1,736,980.04/x
  3. Step 3: Cross multiply
    3,187,315.76x = 4,398,367.32 × 1,736,980.04
  4. Step 4: Simplify right side
    3,187,315.76x = 7,639,876,243,428.29
  5. Step 5: Solve for x
    x = 7,639,876,243,428.29/3,187,315.76
  6. Step 6: Final answer
    x = 2,396,962.47

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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.