Home / 5,903,943.12-8,147,456.28-3,423,644.55

Finding the Fourth Proportional to 5,903,943.12, 8,147,456.28 and 3,423,644.55

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Solution

The fourth proportional to 5,903,943.12, 8,147,456.28 and 3,423,644.55 is: 4,724,638.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,903,943.12 : 8,147,456.28 = 3,423,644.55 : x
  2. Step 2: Convert to fraction form
    5,903,943.12/8,147,456.28 = 3,423,644.55/x
  3. Step 3: Cross multiply
    5,903,943.12x = 8,147,456.28 × 3,423,644.55
  4. Step 4: Simplify right side
    5,903,943.12x = 27,893,994,289,385.27
  5. Step 5: Solve for x
    x = 27,893,994,289,385.27/5,903,943.12
  6. Step 6: Final answer
    x = 4,724,638.05

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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.