Home / 3,105,722.20-4,658,729.10-975,875.80

Finding the Fourth Proportional to 3,105,722.20, 4,658,729.10 and 975,875.80

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Solution

The fourth proportional to 3,105,722.20, 4,658,729.10 and 975,875.80 is: 1,463,859.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,722.20 : 4,658,729.10 = 975,875.80 : x
  2. Step 2: Convert to fraction form
    3,105,722.20/4,658,729.10 = 975,875.80/x
  3. Step 3: Cross multiply
    3,105,722.20x = 4,658,729.10 × 975,875.80
  4. Step 4: Simplify right side
    3,105,722.20x = 4,546,340,987,445.78
  5. Step 5: Solve for x
    x = 4,546,340,987,445.78/3,105,722.20
  6. Step 6: Final answer
    x = 1,463,859.51

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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.