Home / 2,178,690.80-3,271,535.40-1,646,812.40

Finding the Fourth Proportional to 2,178,690.80, 3,271,535.40 and 1,646,812.40

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Solution

The fourth proportional to 2,178,690.80, 3,271,535.40 and 1,646,812.40 is: 2,472,863.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,690.80 : 3,271,535.40 = 1,646,812.40 : x
  2. Step 2: Convert to fraction form
    2,178,690.80/3,271,535.40 = 1,646,812.40/x
  3. Step 3: Cross multiply
    2,178,690.80x = 3,271,535.40 × 1,646,812.40
  4. Step 4: Simplify right side
    2,178,690.80x = 5,387,605,063,758.96
  5. Step 5: Solve for x
    x = 5,387,605,063,758.96/2,178,690.80
  6. Step 6: Final answer
    x = 2,472,863.55

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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.