Home / 3,178,651.01-4,386,507.92-1,728,346.95

Finding the Fourth Proportional to 3,178,651.01, 4,386,507.92 and 1,728,346.95

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Solution

The fourth proportional to 3,178,651.01, 4,386,507.92 and 1,728,346.95 is: 2,385,102.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,651.01 : 4,386,507.92 = 1,728,346.95 : x
  2. Step 2: Convert to fraction form
    3,178,651.01/4,386,507.92 = 1,728,346.95/x
  3. Step 3: Cross multiply
    3,178,651.01x = 4,386,507.92 × 1,728,346.95
  4. Step 4: Simplify right side
    3,178,651.01x = 7,581,407,582,522.41
  5. Step 5: Solve for x
    x = 7,581,407,582,522.41/3,178,651.01
  6. Step 6: Final answer
    x = 2,385,102.22

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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.