Home / 2,739,095.20-4,108,642.80-1,318,808.80

Finding the Fourth Proportional to 2,739,095.20, 4,108,642.80 and 1,318,808.80

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Solution

The fourth proportional to 2,739,095.20, 4,108,642.80 and 1,318,808.80 is: 1,978,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739,095.20 : 4,108,642.80 = 1,318,808.80 : x
  2. Step 2: Convert to fraction form
    2,739,095.20/4,108,642.80 = 1,318,808.80/x
  3. Step 3: Cross multiply
    2,739,095.20x = 4,108,642.80 × 1,318,808.80
  4. Step 4: Simplify right side
    2,739,095.20x = 5,418,514,280,696.64
  5. Step 5: Solve for x
    x = 5,418,514,280,696.64/2,739,095.20
  6. Step 6: Final answer
    x = 1,978,213.20

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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.