Home / 5,136,156.18-7,702,416.92-1,492,127.88

Finding the Fourth Proportional to 5,136,156.18, 7,702,416.92 and 1,492,127.88

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Solution

The fourth proportional to 5,136,156.18, 7,702,416.92 and 1,492,127.88 is: 2,237,663.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136,156.18 : 7,702,416.92 = 1,492,127.88 : x
  2. Step 2: Convert to fraction form
    5,136,156.18/7,702,416.92 = 1,492,127.88/x
  3. Step 3: Cross multiply
    5,136,156.18x = 7,702,416.92 × 1,492,127.88
  4. Step 4: Simplify right side
    5,136,156.18x = 11,492,991,029,715.73
  5. Step 5: Solve for x
    x = 11,492,991,029,715.73/5,136,156.18
  6. Step 6: Final answer
    x = 2,237,663.85

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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.