Home / 5,432,530.40-7,496,453.16-3,140,838.70

Finding the Fourth Proportional to 5,432,530.40, 7,496,453.16 and 3,140,838.70

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Solution

The fourth proportional to 5,432,530.40, 7,496,453.16 and 3,140,838.70 is: 4,334,103.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432,530.40 : 7,496,453.16 = 3,140,838.70 : x
  2. Step 2: Convert to fraction form
    5,432,530.40/7,496,453.16 = 3,140,838.70/x
  3. Step 3: Cross multiply
    5,432,530.40x = 7,496,453.16 × 3,140,838.70
  4. Step 4: Simplify right side
    5,432,530.40x = 23,545,150,197,665.29
  5. Step 5: Solve for x
    x = 23,545,150,197,665.29/5,432,530.40
  6. Step 6: Final answer
    x = 4,334,103.72

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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.