Home / 2,141,379.18-2,955,350.13-1,281,939.30

Finding the Fourth Proportional to 2,141,379.18, 2,955,350.13 and 1,281,939.30

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Solution

The fourth proportional to 2,141,379.18, 2,955,350.13 and 1,281,939.30 is: 1,769,224.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,379.18 : 2,955,350.13 = 1,281,939.30 : x
  2. Step 2: Convert to fraction form
    2,141,379.18/2,955,350.13 = 1,281,939.30/x
  3. Step 3: Cross multiply
    2,141,379.18x = 2,955,350.13 × 1,281,939.30
  4. Step 4: Simplify right side
    2,141,379.18x = 3,788,579,476,907.11
  5. Step 5: Solve for x
    x = 3,788,579,476,907.11/2,141,379.18
  6. Step 6: Final answer
    x = 1,769,224.02

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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.