Home / 1,657,658.20-2,486,487.30-1,645,848.40

Finding the Fourth Proportional to 1,657,658.20, 2,486,487.30 and 1,645,848.40

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Solution

The fourth proportional to 1,657,658.20, 2,486,487.30 and 1,645,848.40 is: 2,468,772.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,658.20 : 2,486,487.30 = 1,645,848.40 : x
  2. Step 2: Convert to fraction form
    1,657,658.20/2,486,487.30 = 1,645,848.40/x
  3. Step 3: Cross multiply
    1,657,658.20x = 2,486,487.30 × 1,645,848.40
  4. Step 4: Simplify right side
    1,657,658.20x = 4,092,381,144,325.32
  5. Step 5: Solve for x
    x = 4,092,381,144,325.32/1,657,658.20
  6. Step 6: Final answer
    x = 2,468,772.60

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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.