Home / 2,870,326.85-4,306,020.01-1,187,561.57

Finding the Fourth Proportional to 2,870,326.85, 4,306,020.01 and 1,187,561.57

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Solution

The fourth proportional to 2,870,326.85, 4,306,020.01 and 1,187,561.57 is: 1,781,561.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,326.85 : 4,306,020.01 = 1,187,561.57 : x
  2. Step 2: Convert to fraction form
    2,870,326.85/4,306,020.01 = 1,187,561.57/x
  3. Step 3: Cross multiply
    2,870,326.85x = 4,306,020.01 × 1,187,561.57
  4. Step 4: Simplify right side
    2,870,326.85x = 5,113,663,859,028.01
  5. Step 5: Solve for x
    x = 5,113,663,859,028.01/2,870,326.85
  6. Step 6: Final answer
    x = 1,781,561.52

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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.