Home / 5,486,620.86-7,574,162.31-3,654,128.70

Finding the Fourth Proportional to 5,486,620.86, 7,574,162.31 and 3,654,128.70

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Solution

The fourth proportional to 5,486,620.86, 7,574,162.31 and 3,654,128.70 is: 5,044,446.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486,620.86 : 7,574,162.31 = 3,654,128.70 : x
  2. Step 2: Convert to fraction form
    5,486,620.86/7,574,162.31 = 3,654,128.70/x
  3. Step 3: Cross multiply
    5,486,620.86x = 7,574,162.31 × 3,654,128.70
  4. Step 4: Simplify right side
    5,486,620.86x = 27,676,963,875,429.30
  5. Step 5: Solve for x
    x = 27,676,963,875,429.30/5,486,620.86
  6. Step 6: Final answer
    x = 5,044,446.22

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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.