Home / 3,870,775.42-5,341,676.29-2,151,895.95

Finding the Fourth Proportional to 3,870,775.42, 5,341,676.29 and 2,151,895.95

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Solution

The fourth proportional to 3,870,775.42, 5,341,676.29 and 2,151,895.95 is: 2,969,619.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,870,775.42 : 5,341,676.29 = 2,151,895.95 : x
  2. Step 2: Convert to fraction form
    3,870,775.42/5,341,676.29 = 2,151,895.95/x
  3. Step 3: Cross multiply
    3,870,775.42x = 5,341,676.29 × 2,151,895.95
  4. Step 4: Simplify right side
    3,870,775.42x = 11,494,731,569,282.29
  5. Step 5: Solve for x
    x = 11,494,731,569,282.29/3,870,775.42
  6. Step 6: Final answer
    x = 2,969,619.86

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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.