Home / 2,888,011.67-3,985,304.54-1,581,013.15

Finding the Fourth Proportional to 2,888,011.67, 3,985,304.54 and 1,581,013.15

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Solution

The fourth proportional to 2,888,011.67, 3,985,304.54 and 1,581,013.15 is: 2,181,715.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888,011.67 : 3,985,304.54 = 1,581,013.15 : x
  2. Step 2: Convert to fraction form
    2,888,011.67/3,985,304.54 = 1,581,013.15/x
  3. Step 3: Cross multiply
    2,888,011.67x = 3,985,304.54 × 1,581,013.15
  4. Step 4: Simplify right side
    2,888,011.67x = 6,300,818,884,494.70
  5. Step 5: Solve for x
    x = 6,300,818,884,494.70/2,888,011.67
  6. Step 6: Final answer
    x = 2,181,715.17

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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.