Home / 1,974,330.65-2,721,941.57-1,567,778.29

Finding the Fourth Proportional to 1,974,330.65, 2,721,941.57 and 1,567,778.29

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Solution

The fourth proportional to 1,974,330.65, 2,721,941.57 and 1,567,778.29 is: 2,161,441.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,330.65 : 2,721,941.57 = 1,567,778.29 : x
  2. Step 2: Convert to fraction form
    1,974,330.65/2,721,941.57 = 1,567,778.29/x
  3. Step 3: Cross multiply
    1,974,330.65x = 2,721,941.57 × 1,567,778.29
  4. Step 4: Simplify right side
    1,974,330.65x = 4,267,400,888,390.35
  5. Step 5: Solve for x
    x = 4,267,400,888,390.35/1,974,330.65
  6. Step 6: Final answer
    x = 2,161,441.85

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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.