Home / 2,309,115.48-3,186,583.98-1,290,520.20

Finding the Fourth Proportional to 2,309,115.48, 3,186,583.98 and 1,290,520.20

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Solution

The fourth proportional to 2,309,115.48, 3,186,583.98 and 1,290,520.20 is: 1,780,920.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309,115.48 : 3,186,583.98 = 1,290,520.20 : x
  2. Step 2: Convert to fraction form
    2,309,115.48/3,186,583.98 = 1,290,520.20/x
  3. Step 3: Cross multiply
    2,309,115.48x = 3,186,583.98 × 1,290,520.20
  4. Step 4: Simplify right side
    2,309,115.48x = 4,112,350,995,186.40
  5. Step 5: Solve for x
    x = 4,112,350,995,186.40/2,309,115.48
  6. Step 6: Final answer
    x = 1,780,920.46

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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.