Home / 2,770,645.80-4,154,931.90-972,834.60

Finding the Fourth Proportional to 2,770,645.80, 4,154,931.90 and 972,834.60

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Solution

The fourth proportional to 2,770,645.80, 4,154,931.90 and 972,834.60 is: 1,458,887.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770,645.80 : 4,154,931.90 = 972,834.60 : x
  2. Step 2: Convert to fraction form
    2,770,645.80/4,154,931.90 = 972,834.60/x
  3. Step 3: Cross multiply
    2,770,645.80x = 4,154,931.90 × 972,834.60
  4. Step 4: Simplify right side
    2,770,645.80x = 4,042,061,512,963.74
  5. Step 5: Solve for x
    x = 4,042,061,512,963.74/2,770,645.80
  6. Step 6: Final answer
    x = 1,458,887.86

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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.