Home / 4,280,129.66-6,418,328.11-1,618,871.42

Finding the Fourth Proportional to 4,280,129.66, 6,418,328.11 and 1,618,871.42

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Solution

The fourth proportional to 4,280,129.66, 6,418,328.11 and 1,618,871.42 is: 2,427,601.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280,129.66 : 6,418,328.11 = 1,618,871.42 : x
  2. Step 2: Convert to fraction form
    4,280,129.66/6,418,328.11 = 1,618,871.42/x
  3. Step 3: Cross multiply
    4,280,129.66x = 6,418,328.11 × 1,618,871.42
  4. Step 4: Simplify right side
    4,280,129.66x = 10,390,447,941,461.62
  5. Step 5: Solve for x
    x = 10,390,447,941,461.62/4,280,129.66
  6. Step 6: Final answer
    x = 2,427,601.21

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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.