Home / 5,182,861.20-7,152,299.64-2,859,774.72

Finding the Fourth Proportional to 5,182,861.20, 7,152,299.64 and 2,859,774.72

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Solution

The fourth proportional to 5,182,861.20, 7,152,299.64 and 2,859,774.72 is: 3,946,462.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182,861.20 : 7,152,299.64 = 2,859,774.72 : x
  2. Step 2: Convert to fraction form
    5,182,861.20/7,152,299.64 = 2,859,774.72/x
  3. Step 3: Cross multiply
    5,182,861.20x = 7,152,299.64 × 2,859,774.72
  4. Step 4: Simplify right side
    5,182,861.20x = 20,453,965,700,337.10
  5. Step 5: Solve for x
    x = 20,453,965,700,337.10/5,182,861.20
  6. Step 6: Final answer
    x = 3,946,462.18

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1.5x scale

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.