Home / 2,257,385.64-3,115,230.18-1,238,885.16

Finding the Fourth Proportional to 2,257,385.64, 3,115,230.18 and 1,238,885.16

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Solution

The fourth proportional to 2,257,385.64, 3,115,230.18 and 1,238,885.16 is: 1,709,682.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257,385.64 : 3,115,230.18 = 1,238,885.16 : x
  2. Step 2: Convert to fraction form
    2,257,385.64/3,115,230.18 = 1,238,885.16/x
  3. Step 3: Cross multiply
    2,257,385.64x = 3,115,230.18 × 1,238,885.16
  4. Step 4: Simplify right side
    2,257,385.64x = 3,859,412,439,986.13
  5. Step 5: Solve for x
    x = 3,859,412,439,986.13/2,257,385.64
  6. Step 6: Final answer
    x = 1,709,682.37

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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.