Home / 5,326,179.82-7,989,328.05-1,539,695.50

Finding the Fourth Proportional to 5,326,179.82, 7,989,328.05 and 1,539,695.50

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Solution

The fourth proportional to 5,326,179.82, 7,989,328.05 and 1,539,695.50 is: 2,309,560.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326,179.82 : 7,989,328.05 = 1,539,695.50 : x
  2. Step 2: Convert to fraction form
    5,326,179.82/7,989,328.05 = 1,539,695.50/x
  3. Step 3: Cross multiply
    5,326,179.82x = 7,989,328.05 × 1,539,695.50
  4. Step 4: Simplify right side
    5,326,179.82x = 12,301,132,446,608.78
  5. Step 5: Solve for x
    x = 12,301,132,446,608.78/5,326,179.82
  6. Step 6: Final answer
    x = 2,309,560.11

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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.