Home / 2,961,606.80-4,442,410.20-831,760.40

Finding the Fourth Proportional to 2,961,606.80, 4,442,410.20 and 831,760.40

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Solution

The fourth proportional to 2,961,606.80, 4,442,410.20 and 831,760.40 is: 1,247,640.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961,606.80 : 4,442,410.20 = 831,760.40 : x
  2. Step 2: Convert to fraction form
    2,961,606.80/4,442,410.20 = 831,760.40/x
  3. Step 3: Cross multiply
    2,961,606.80x = 4,442,410.20 × 831,760.40
  4. Step 4: Simplify right side
    2,961,606.80x = 3,695,020,884,916.08
  5. Step 5: Solve for x
    x = 3,695,020,884,916.08/2,961,606.80
  6. Step 6: Final answer
    x = 1,247,640.60

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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.