Home / 2,278,957.38-3,144,907.53-1,260,340.26

Finding the Fourth Proportional to 2,278,957.38, 3,144,907.53 and 1,260,340.26

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Solution

The fourth proportional to 2,278,957.38, 3,144,907.53 and 1,260,340.26 is: 1,739,239.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,957.38 : 3,144,907.53 = 1,260,340.26 : x
  2. Step 2: Convert to fraction form
    2,278,957.38/3,144,907.53 = 1,260,340.26/x
  3. Step 3: Cross multiply
    2,278,957.38x = 3,144,907.53 × 1,260,340.26
  4. Step 4: Simplify right side
    2,278,957.38x = 3,963,653,574,036.16
  5. Step 5: Solve for x
    x = 3,963,653,574,036.16/2,278,957.38
  6. Step 6: Final answer
    x = 1,739,239.89

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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.