Home / 3,770,256.80-5,655,385.20-1,972,445.60

Finding the Fourth Proportional to 3,770,256.80, 5,655,385.20 and 1,972,445.60

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Solution

The fourth proportional to 3,770,256.80, 5,655,385.20 and 1,972,445.60 is: 2,958,668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770,256.80 : 5,655,385.20 = 1,972,445.60 : x
  2. Step 2: Convert to fraction form
    3,770,256.80/5,655,385.20 = 1,972,445.60/x
  3. Step 3: Cross multiply
    3,770,256.80x = 5,655,385.20 × 1,972,445.60
  4. Step 4: Simplify right side
    3,770,256.80x = 11,154,939,654,045.12
  5. Step 5: Solve for x
    x = 11,154,939,654,045.12/3,770,256.80
  6. Step 6: Final answer
    x = 2,958,668.40

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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.