Home / 5,140,169.28-7,710,636.24-1,545,648.48

Finding the Fourth Proportional to 5,140,169.28, 7,710,636.24 and 1,545,648.48

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Solution

The fourth proportional to 5,140,169.28, 7,710,636.24 and 1,545,648.48 is: 2,318,587.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140,169.28 : 7,710,636.24 = 1,545,648.48 : x
  2. Step 2: Convert to fraction form
    5,140,169.28/7,710,636.24 = 1,545,648.48/x
  3. Step 3: Cross multiply
    5,140,169.28x = 7,710,636.24 × 1,545,648.48
  4. Step 4: Simplify right side
    5,140,169.28x = 11,917,933,184,188.92
  5. Step 5: Solve for x
    x = 11,917,933,184,188.92/5,140,169.28
  6. Step 6: Final answer
    x = 2,318,587.68

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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.