Home / 1,230,146.20-1,841,720.10-1,090,178.20

Finding the Fourth Proportional to 1,230,146.20, 1,841,720.10 and 1,090,178.20

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Solution

The fourth proportional to 1,230,146.20, 1,841,720.10 and 1,090,178.20 is: 1,632,166.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,146.20 : 1,841,720.10 = 1,090,178.20 : x
  2. Step 2: Convert to fraction form
    1,230,146.20/1,841,720.10 = 1,090,178.20/x
  3. Step 3: Cross multiply
    1,230,146.20x = 1,841,720.10 × 1,090,178.20
  4. Step 4: Simplify right side
    1,230,146.20x = 2,007,803,103,521.82
  5. Step 5: Solve for x
    x = 2,007,803,103,521.82/1,230,146.20
  6. Step 6: Final answer
    x = 1,632,166.24

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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.