Home / 4,280,127.66-6,418,325.12-1,618,869.42

Finding the Fourth Proportional to 4,280,127.66, 6,418,325.12 and 1,618,869.42

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Solution

The fourth proportional to 4,280,127.66, 6,418,325.12 and 1,618,869.42 is: 2,427,598.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280,127.66 : 6,418,325.12 = 1,618,869.42 : x
  2. Step 2: Convert to fraction form
    4,280,127.66/6,418,325.12 = 1,618,869.42/x
  3. Step 3: Cross multiply
    4,280,127.66x = 6,418,325.12 × 1,618,869.42
  4. Step 4: Simplify right side
    4,280,127.66x = 10,390,430,256,291.48
  5. Step 5: Solve for x
    x = 10,390,430,256,291.48/4,280,127.66
  6. Step 6: Final answer
    x = 2,427,598.21

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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.