Home / 5,197,457.61-7,172,539.20-2,874,230.06

Finding the Fourth Proportional to 5,197,457.61, 7,172,539.20 and 2,874,230.06

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Solution

The fourth proportional to 5,197,457.61, 7,172,539.20 and 2,874,230.06 is: 3,966,463.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197,457.61 : 7,172,539.20 = 2,874,230.06 : x
  2. Step 2: Convert to fraction form
    5,197,457.61/7,172,539.20 = 2,874,230.06/x
  3. Step 3: Cross multiply
    5,197,457.61x = 7,172,539.20 × 2,874,230.06
  4. Step 4: Simplify right side
    5,197,457.61x = 20,615,527,739,305.66
  5. Step 5: Solve for x
    x = 20,615,527,739,305.66/5,197,457.61
  6. Step 6: Final answer
    x = 3,966,463.85

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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.