Home / 2,774,139.70-4,161,209.55-779,595.70

Finding the Fourth Proportional to 2,774,139.70, 4,161,209.55 and 779,595.70

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Solution

The fourth proportional to 2,774,139.70, 4,161,209.55 and 779,595.70 is: 1,169,393.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774,139.70 : 4,161,209.55 = 779,595.70 : x
  2. Step 2: Convert to fraction form
    2,774,139.70/4,161,209.55 = 779,595.70/x
  3. Step 3: Cross multiply
    2,774,139.70x = 4,161,209.55 × 779,595.70
  4. Step 4: Simplify right side
    2,774,139.70x = 3,244,061,071,978.93
  5. Step 5: Solve for x
    x = 3,244,061,071,978.93/2,774,139.70
  6. Step 6: Final answer
    x = 1,169,393.55

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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.