Home / 5,343,765.40-8,015,648.10-1,557,371.80

Finding the Fourth Proportional to 5,343,765.40, 8,015,648.10 and 1,557,371.80

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Solution

The fourth proportional to 5,343,765.40, 8,015,648.10 and 1,557,371.80 is: 2,336,057.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343,765.40 : 8,015,648.10 = 1,557,371.80 : x
  2. Step 2: Convert to fraction form
    5,343,765.40/8,015,648.10 = 1,557,371.80/x
  3. Step 3: Cross multiply
    5,343,765.40x = 8,015,648.10 × 1,557,371.80
  4. Step 4: Simplify right side
    5,343,765.40x = 12,483,344,309,663.58
  5. Step 5: Solve for x
    x = 12,483,344,309,663.58/5,343,765.40
  6. Step 6: Final answer
    x = 2,336,057.70

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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.