Home / 3,615,102.79-5,422,630.77-919,404.70

Finding the Fourth Proportional to 3,615,102.79, 5,422,630.77 and 919,404.70

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Solution

The fourth proportional to 3,615,102.79, 5,422,630.77 and 919,404.70 is: 1,379,101.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615,102.79 : 5,422,630.77 = 919,404.70 : x
  2. Step 2: Convert to fraction form
    3,615,102.79/5,422,630.77 = 919,404.70/x
  3. Step 3: Cross multiply
    3,615,102.79x = 5,422,630.77 × 919,404.70
  4. Step 4: Simplify right side
    3,615,102.79x = 4,985,592,233,248.34
  5. Step 5: Solve for x
    x = 4,985,592,233,248.34/3,615,102.79
  6. Step 6: Final answer
    x = 1,379,101.10

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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.