Home / 2,486,117.10-3,729,175.65-1,405,520.40

Finding the Fourth Proportional to 2,486,117.10, 3,729,175.65 and 1,405,520.40

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Solution

The fourth proportional to 2,486,117.10, 3,729,175.65 and 1,405,520.40 is: 2,108,280.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486,117.10 : 3,729,175.65 = 1,405,520.40 : x
  2. Step 2: Convert to fraction form
    2,486,117.10/3,729,175.65 = 1,405,520.40/x
  3. Step 3: Cross multiply
    2,486,117.10x = 3,729,175.65 × 1,405,520.40
  4. Step 4: Simplify right side
    2,486,117.10x = 5,241,432,451,258.26
  5. Step 5: Solve for x
    x = 5,241,432,451,258.26/2,486,117.10
  6. Step 6: Final answer
    x = 2,108,280.60

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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.