Home / 4,139,629.52-5,712,742.85-2,279,261.39

Finding the Fourth Proportional to 4,139,629.52, 5,712,742.85 and 2,279,261.39

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Solution

The fourth proportional to 4,139,629.52, 5,712,742.85 and 2,279,261.39 is: 3,145,410.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139,629.52 : 5,712,742.85 = 2,279,261.39 : x
  2. Step 2: Convert to fraction form
    4,139,629.52/5,712,742.85 = 2,279,261.39/x
  3. Step 3: Cross multiply
    4,139,629.52x = 5,712,742.85 × 2,279,261.39
  4. Step 4: Simplify right side
    4,139,629.52x = 13,020,834,207,588.14
  5. Step 5: Solve for x
    x = 13,020,834,207,588.14/4,139,629.52
  6. Step 6: Final answer
    x = 3,145,410.51

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1.5x scale

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.