Home / 5,127,691.36-7,077,102-3,090,503.20

Finding the Fourth Proportional to 5,127,691.36, 7,077,102 and 3,090,503.20

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Solution

The fourth proportional to 5,127,691.36, 7,077,102 and 3,090,503.20 is: 4,265,429.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127,691.36 : 7,077,102 = 3,090,503.20 : x
  2. Step 2: Convert to fraction form
    5,127,691.36/7,077,102 = 3,090,503.20/x
  3. Step 3: Cross multiply
    5,127,691.36x = 7,077,102 × 3,090,503.20
  4. Step 4: Simplify right side
    5,127,691.36x = 21,871,806,377,726.40
  5. Step 5: Solve for x
    x = 21,871,806,377,726.40/5,127,691.36
  6. Step 6: Final answer
    x = 4,265,429.57

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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.