Home / 7,001,044-9,661,449.36-3,781,780

Finding the Fourth Proportional to 7,001,044, 9,661,449.36 and 3,781,780

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Solution

The fourth proportional to 7,001,044, 9,661,449.36 and 3,781,780 is: 5,218,861.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001,044 : 9,661,449.36 = 3,781,780 : x
  2. Step 2: Convert to fraction form
    7,001,044/9,661,449.36 = 3,781,780/x
  3. Step 3: Cross multiply
    7,001,044x = 9,661,449.36 × 3,781,780
  4. Step 4: Simplify right side
    7,001,044x = 36,537,475,960,660.80
  5. Step 5: Solve for x
    x = 36,537,475,960,660.80/7,001,044
  6. Step 6: Final answer
    x = 5,218,861.07

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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.