Home / 3,172,360.32-4,377,862.80-1,722,056.74

Finding the Fourth Proportional to 3,172,360.32, 4,377,862.80 and 1,722,056.74

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Solution

The fourth proportional to 3,172,360.32, 4,377,862.80 and 1,722,056.74 is: 2,376,441.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,360.32 : 4,377,862.80 = 1,722,056.74 : x
  2. Step 2: Convert to fraction form
    3,172,360.32/4,377,862.80 = 1,722,056.74/x
  3. Step 3: Cross multiply
    3,172,360.32x = 4,377,862.80 × 1,722,056.74
  4. Step 4: Simplify right side
    3,172,360.32x = 7,538,928,141,535.27
  5. Step 5: Solve for x
    x = 7,538,928,141,535.27/3,172,360.32
  6. Step 6: Final answer
    x = 2,376,441.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.