Home / 5,437,680.80-8,156,492.40-1,394,160.80

Finding the Fourth Proportional to 5,437,680.80, 8,156,492.40 and 1,394,160.80

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Solution

The fourth proportional to 5,437,680.80, 8,156,492.40 and 1,394,160.80 is: 2,091,233.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437,680.80 : 8,156,492.40 = 1,394,160.80 : x
  2. Step 2: Convert to fraction form
    5,437,680.80/8,156,492.40 = 1,394,160.80/x
  3. Step 3: Cross multiply
    5,437,680.80x = 8,156,492.40 × 1,394,160.80
  4. Step 4: Simplify right side
    5,437,680.80x = 11,371,461,969,577.92
  5. Step 5: Solve for x
    x = 11,371,461,969,577.92/5,437,680.80
  6. Step 6: Final answer
    x = 2,091,233.82

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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.