Home / 2,672,807.70-4,010,129.55-779,826.90

Finding the Fourth Proportional to 2,672,807.70, 4,010,129.55 and 779,826.90

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Solution

The fourth proportional to 2,672,807.70, 4,010,129.55 and 779,826.90 is: 1,170,008.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672,807.70 : 4,010,129.55 = 779,826.90 : x
  2. Step 2: Convert to fraction form
    2,672,807.70/4,010,129.55 = 779,826.90/x
  3. Step 3: Cross multiply
    2,672,807.70x = 4,010,129.55 × 779,826.90
  4. Step 4: Simplify right side
    2,672,807.70x = 3,127,206,895,574.90
  5. Step 5: Solve for x
    x = 3,127,206,895,574.90/2,672,807.70
  6. Step 6: Final answer
    x = 1,170,008.19

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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.