Home / 3,539,689.20-5,312,298.60-1,646,665.20

Finding the Fourth Proportional to 3,539,689.20, 5,312,298.60 and 1,646,665.20

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Solution

The fourth proportional to 3,539,689.20, 5,312,298.60 and 1,646,665.20 is: 2,471,283.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539,689.20 : 5,312,298.60 = 1,646,665.20 : x
  2. Step 2: Convert to fraction form
    3,539,689.20/5,312,298.60 = 1,646,665.20/x
  3. Step 3: Cross multiply
    3,539,689.20x = 5,312,298.60 × 1,646,665.20
  4. Step 4: Simplify right side
    3,539,689.20x = 8,747,577,236,628.72
  5. Step 5: Solve for x
    x = 8,747,577,236,628.72/3,539,689.20
  6. Step 6: Final answer
    x = 2,471,283.99

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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.