Home / 2,670,865.20-4,009,408.20-1,607,108.40

Finding the Fourth Proportional to 2,670,865.20, 4,009,408.20 and 1,607,108.40

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Solution

The fourth proportional to 2,670,865.20, 4,009,408.20 and 1,607,108.40 is: 2,412,534.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670,865.20 : 4,009,408.20 = 1,607,108.40 : x
  2. Step 2: Convert to fraction form
    2,670,865.20/4,009,408.20 = 1,607,108.40/x
  3. Step 3: Cross multiply
    2,670,865.20x = 4,009,408.20 × 1,607,108.40
  4. Step 4: Simplify right side
    2,670,865.20x = 6,443,553,597,248.88
  5. Step 5: Solve for x
    x = 6,443,553,597,248.88/2,670,865.20
  6. Step 6: Final answer
    x = 2,412,534.18

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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.