Home / 5,154,479.37-7,128,595.49-4,508,778.69

Finding the Fourth Proportional to 5,154,479.37, 7,128,595.49 and 4,508,778.69

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Solution

The fourth proportional to 5,154,479.37, 7,128,595.49 and 4,508,778.69 is: 6,235,597.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154,479.37 : 7,128,595.49 = 4,508,778.69 : x
  2. Step 2: Convert to fraction form
    5,154,479.37/7,128,595.49 = 4,508,778.69/x
  3. Step 3: Cross multiply
    5,154,479.37x = 7,128,595.49 × 4,508,778.69
  4. Step 4: Simplify right side
    5,154,479.37x = 32,141,259,412,398.22
  5. Step 5: Solve for x
    x = 32,141,259,412,398.22/5,154,479.37
  6. Step 6: Final answer
    x = 6,235,597.64

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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.