Home / 2,427,482.25-3,638,178.61-1,287,430.58

Finding the Fourth Proportional to 2,427,482.25, 3,638,178.61 and 1,287,430.58

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Solution

The fourth proportional to 2,427,482.25, 3,638,178.61 and 1,287,430.58 is: 1,929,531.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427,482.25 : 3,638,178.61 = 1,287,430.58 : x
  2. Step 2: Convert to fraction form
    2,427,482.25/3,638,178.61 = 1,287,430.58/x
  3. Step 3: Cross multiply
    2,427,482.25x = 3,638,178.61 × 1,287,430.58
  4. Step 4: Simplify right side
    2,427,482.25x = 4,683,902,373,387.85
  5. Step 5: Solve for x
    x = 4,683,902,373,387.85/2,427,482.25
  6. Step 6: Final answer
    x = 1,929,531.05

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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.