Home / 2,185,686.40-3,280,987.20-1,689,251.20

Finding the Fourth Proportional to 2,185,686.40, 3,280,987.20 and 1,689,251.20

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Solution

The fourth proportional to 2,185,686.40, 3,280,987.20 and 1,689,251.20 is: 2,535,776.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,686.40 : 3,280,987.20 = 1,689,251.20 : x
  2. Step 2: Convert to fraction form
    2,185,686.40/3,280,987.20 = 1,689,251.20/x
  3. Step 3: Cross multiply
    2,185,686.40x = 3,280,987.20 × 1,689,251.20
  4. Step 4: Simplify right side
    2,185,686.40x = 5,542,411,564,784.64
  5. Step 5: Solve for x
    x = 5,542,411,564,784.64/2,185,686.40
  6. Step 6: Final answer
    x = 2,535,776.21

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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.