Home / 1,527,415.20-2,291,122.80-1,340,791.20

Finding the Fourth Proportional to 1,527,415.20, 2,291,122.80 and 1,340,791.20

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Solution

The fourth proportional to 1,527,415.20, 2,291,122.80 and 1,340,791.20 is: 2,011,186.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527,415.20 : 2,291,122.80 = 1,340,791.20 : x
  2. Step 2: Convert to fraction form
    1,527,415.20/2,291,122.80 = 1,340,791.20/x
  3. Step 3: Cross multiply
    1,527,415.20x = 2,291,122.80 × 1,340,791.20
  4. Step 4: Simplify right side
    1,527,415.20x = 3,071,917,288,359.36
  5. Step 5: Solve for x
    x = 3,071,917,288,359.36/1,527,415.20
  6. Step 6: Final answer
    x = 2,011,186.80

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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.