Home / 2,955,385.80-4,433,078.70-1,692,174.60

Finding the Fourth Proportional to 2,955,385.80, 4,433,078.70 and 1,692,174.60

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Solution

The fourth proportional to 2,955,385.80, 4,433,078.70 and 1,692,174.60 is: 2,538,261.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955,385.80 : 4,433,078.70 = 1,692,174.60 : x
  2. Step 2: Convert to fraction form
    2,955,385.80/4,433,078.70 = 1,692,174.60/x
  3. Step 3: Cross multiply
    2,955,385.80x = 4,433,078.70 × 1,692,174.60
  4. Step 4: Simplify right side
    2,955,385.80x = 7,501,543,175,941.02
  5. Step 5: Solve for x
    x = 7,501,543,175,941.02/2,955,385.80
  6. Step 6: Final answer
    x = 2,538,261.90

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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.