Home / 5,290,572.54-7,301,665.44-3,115,318.08

Finding the Fourth Proportional to 5,290,572.54, 7,301,665.44 and 3,115,318.08

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Solution

The fourth proportional to 5,290,572.54, 7,301,665.44 and 3,115,318.08 is: 4,299,536.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290,572.54 : 7,301,665.44 = 3,115,318.08 : x
  2. Step 2: Convert to fraction form
    5,290,572.54/7,301,665.44 = 3,115,318.08/x
  3. Step 3: Cross multiply
    5,290,572.54x = 7,301,665.44 × 3,115,318.08
  4. Step 4: Simplify right side
    5,290,572.54x = 22,747,010,359,343.16
  5. Step 5: Solve for x
    x = 22,747,010,359,343.16/5,290,572.54
  6. Step 6: Final answer
    x = 4,299,536.62

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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.