Home / 2,128,982.40-3,195,028.80-1,418,774.40

Finding the Fourth Proportional to 2,128,982.40, 3,195,028.80 and 1,418,774.40

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Solution

The fourth proportional to 2,128,982.40, 3,195,028.80 and 1,418,774.40 is: 2,129,198.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,982.40 : 3,195,028.80 = 1,418,774.40 : x
  2. Step 2: Convert to fraction form
    2,128,982.40/3,195,028.80 = 1,418,774.40/x
  3. Step 3: Cross multiply
    2,128,982.40x = 3,195,028.80 × 1,418,774.40
  4. Step 4: Simplify right side
    2,128,982.40x = 4,533,025,068,702.72
  5. Step 5: Solve for x
    x = 4,533,025,068,702.72/2,128,982.40
  6. Step 6: Final answer
    x = 2,129,198.00

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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.