Home / 2,826,417.60-4,238,167.20-831,614.40

Finding the Fourth Proportional to 2,826,417.60, 4,238,167.20 and 831,614.40

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Solution

The fourth proportional to 2,826,417.60, 4,238,167.20 and 831,614.40 is: 1,246,992.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826,417.60 : 4,238,167.20 = 831,614.40 : x
  2. Step 2: Convert to fraction form
    2,826,417.60/4,238,167.20 = 831,614.40/x
  3. Step 3: Cross multiply
    2,826,417.60x = 4,238,167.20 × 831,614.40
  4. Step 4: Simplify right side
    2,826,417.60x = 3,524,520,873,127.68
  5. Step 5: Solve for x
    x = 3,524,520,873,127.68/2,826,417.60
  6. Step 6: Final answer
    x = 1,246,992.26

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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.