Home / 3,114,266.80-4,670,824.20-869,940.40

Finding the Fourth Proportional to 3,114,266.80, 4,670,824.20 and 869,940.40

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Solution

The fourth proportional to 3,114,266.80, 4,670,824.20 and 869,940.40 is: 1,304,749.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114,266.80 : 4,670,824.20 = 869,940.40 : x
  2. Step 2: Convert to fraction form
    3,114,266.80/4,670,824.20 = 869,940.40/x
  3. Step 3: Cross multiply
    3,114,266.80x = 4,670,824.20 × 869,940.40
  4. Step 4: Simplify right side
    3,114,266.80x = 4,063,338,672,877.68
  5. Step 5: Solve for x
    x = 4,063,338,672,877.68/3,114,266.80
  6. Step 6: Final answer
    x = 1,304,749.70

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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.