Home / 1,618,605.40-2,427,908.10-862,778.20

Finding the Fourth Proportional to 1,618,605.40, 2,427,908.10 and 862,778.20

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Solution

The fourth proportional to 1,618,605.40, 2,427,908.10 and 862,778.20 is: 1,294,167.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,605.40 : 2,427,908.10 = 862,778.20 : x
  2. Step 2: Convert to fraction form
    1,618,605.40/2,427,908.10 = 862,778.20/x
  3. Step 3: Cross multiply
    1,618,605.40x = 2,427,908.10 × 862,778.20
  4. Step 4: Simplify right side
    1,618,605.40x = 2,094,746,180,283.42
  5. Step 5: Solve for x
    x = 2,094,746,180,283.42/1,618,605.40
  6. Step 6: Final answer
    x = 1,294,167.30

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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.