Home / 3,348,327.76-5,021,953.56-918,913.42

Finding the Fourth Proportional to 3,348,327.76, 5,021,953.56 and 918,913.42

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Solution

The fourth proportional to 3,348,327.76, 5,021,953.56 and 918,913.42 is: 1,378,222.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348,327.76 : 5,021,953.56 = 918,913.42 : x
  2. Step 2: Convert to fraction form
    3,348,327.76/5,021,953.56 = 918,913.42/x
  3. Step 3: Cross multiply
    3,348,327.76x = 5,021,953.56 × 918,913.42
  4. Step 4: Simplify right side
    3,348,327.76x = 4,614,740,520,900.78
  5. Step 5: Solve for x
    x = 4,614,740,520,900.78/3,348,327.76
  6. Step 6: Final answer
    x = 1,378,222.46

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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.