Home / 1,241,492.60-1,862,238.90-1,107,648.20

Finding the Fourth Proportional to 1,241,492.60, 1,862,238.90 and 1,107,648.20

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Solution

The fourth proportional to 1,241,492.60, 1,862,238.90 and 1,107,648.20 is: 1,661,472.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,492.60 : 1,862,238.90 = 1,107,648.20 : x
  2. Step 2: Convert to fraction form
    1,241,492.60/1,862,238.90 = 1,107,648.20/x
  3. Step 3: Cross multiply
    1,241,492.60x = 1,862,238.90 × 1,107,648.20
  4. Step 4: Simplify right side
    1,241,492.60x = 2,062,705,565,554.98
  5. Step 5: Solve for x
    x = 2,062,705,565,554.98/1,241,492.60
  6. Step 6: Final answer
    x = 1,661,472.30

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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.