Home / 3,655,120-5,043,365.76-2,365,781.44

Finding the Fourth Proportional to 3,655,120, 5,043,365.76 and 2,365,781.44

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Solution

The fourth proportional to 3,655,120, 5,043,365.76 and 2,365,781.44 is: 3,264,325.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655,120 : 5,043,365.76 = 2,365,781.44 : x
  2. Step 2: Convert to fraction form
    3,655,120/5,043,365.76 = 2,365,781.44/x
  3. Step 3: Cross multiply
    3,655,120x = 5,043,365.76 × 2,365,781.44
  4. Step 4: Simplify right side
    3,655,120x = 11,931,501,110,139.49
  5. Step 5: Solve for x
    x = 11,931,501,110,139.49/3,655,120
  6. Step 6: Final answer
    x = 3,264,325.41

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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.