Home / 2,680,358.40-4,015,288.80-1,612,227.60

Finding the Fourth Proportional to 2,680,358.40, 4,015,288.80 and 1,612,227.60

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Solution

The fourth proportional to 2,680,358.40, 4,015,288.80 and 1,612,227.60 is: 2,415,184.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,358.40 : 4,015,288.80 = 1,612,227.60 : x
  2. Step 2: Convert to fraction form
    2,680,358.40/4,015,288.80 = 1,612,227.60/x
  3. Step 3: Cross multiply
    2,680,358.40x = 4,015,288.80 × 1,612,227.60
  4. Step 4: Simplify right side
    2,680,358.40x = 6,473,559,425,330.88
  5. Step 5: Solve for x
    x = 6,473,559,425,330.88/2,680,358.40
  6. Step 6: Final answer
    x = 2,415,184.26

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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.