Home / 5,913,660.40-8,870,490.60-1,425,936.40

Finding the Fourth Proportional to 5,913,660.40, 8,870,490.60 and 1,425,936.40

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Solution

The fourth proportional to 5,913,660.40, 8,870,490.60 and 1,425,936.40 is: 2,138,904.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913,660.40 : 8,870,490.60 = 1,425,936.40 : x
  2. Step 2: Convert to fraction form
    5,913,660.40/8,870,490.60 = 1,425,936.40/x
  3. Step 3: Cross multiply
    5,913,660.40x = 8,870,490.60 × 1,425,936.40
  4. Step 4: Simplify right side
    5,913,660.40x = 12,648,755,432,397.84
  5. Step 5: Solve for x
    x = 12,648,755,432,397.84/5,913,660.40
  6. Step 6: Final answer
    x = 2,138,904.60

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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.