Home / 1,975,291.65-2,726,123.72-1,115,907.30

Finding the Fourth Proportional to 1,975,291.65, 2,726,123.72 and 1,115,907.30

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Solution

The fourth proportional to 1,975,291.65, 2,726,123.72 and 1,115,907.30 is: 1,540,077.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975,291.65 : 2,726,123.72 = 1,115,907.30 : x
  2. Step 2: Convert to fraction form
    1,975,291.65/2,726,123.72 = 1,115,907.30/x
  3. Step 3: Cross multiply
    1,975,291.65x = 2,726,123.72 × 1,115,907.30
  4. Step 4: Simplify right side
    1,975,291.65x = 3,042,101,354,271.62
  5. Step 5: Solve for x
    x = 3,042,101,354,271.62/1,975,291.65
  6. Step 6: Final answer
    x = 1,540,077.06

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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.