Home / 3,406,818.40-5,112,195.90-1,277,117.80

Finding the Fourth Proportional to 3,406,818.40, 5,112,195.90 and 1,277,117.80

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Solution

The fourth proportional to 3,406,818.40, 5,112,195.90 and 1,277,117.80 is: 1,916,414.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406,818.40 : 5,112,195.90 = 1,277,117.80 : x
  2. Step 2: Convert to fraction form
    3,406,818.40/5,112,195.90 = 1,277,117.80/x
  3. Step 3: Cross multiply
    3,406,818.40x = 5,112,195.90 × 1,277,117.80
  4. Step 4: Simplify right side
    3,406,818.40x = 6,528,876,380,977.02
  5. Step 5: Solve for x
    x = 6,528,876,380,977.02/3,406,818.40
  6. Step 6: Final answer
    x = 1,916,414.56

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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.