Home / 2,636,781.76-3,637,423.28-1,668,280.96

Finding the Fourth Proportional to 2,636,781.76, 3,637,423.28 and 1,668,280.96

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Solution

The fourth proportional to 2,636,781.76, 3,637,423.28 and 1,668,280.96 is: 2,301,382.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636,781.76 : 3,637,423.28 = 1,668,280.96 : x
  2. Step 2: Convert to fraction form
    2,636,781.76/3,637,423.28 = 1,668,280.96/x
  3. Step 3: Cross multiply
    2,636,781.76x = 3,637,423.28 × 1,668,280.96
  4. Step 4: Simplify right side
    2,636,781.76x = 6,068,244,001,484.75
  5. Step 5: Solve for x
    x = 6,068,244,001,484.75/2,636,781.76
  6. Step 6: Final answer
    x = 2,301,382.73

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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.