Home / 5,472,387.70-8,208,581.55-1,687,030.90

Finding the Fourth Proportional to 5,472,387.70, 8,208,581.55 and 1,687,030.90

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Solution

The fourth proportional to 5,472,387.70, 8,208,581.55 and 1,687,030.90 is: 2,530,546.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472,387.70 : 8,208,581.55 = 1,687,030.90 : x
  2. Step 2: Convert to fraction form
    5,472,387.70/8,208,581.55 = 1,687,030.90/x
  3. Step 3: Cross multiply
    5,472,387.70x = 8,208,581.55 × 1,687,030.90
  4. Step 4: Simplify right side
    5,472,387.70x = 13,848,130,720,019.89
  5. Step 5: Solve for x
    x = 13,848,130,720,019.89/5,472,387.70
  6. Step 6: Final answer
    x = 2,530,546.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.