Home / 2,755,905.40-4,133,987.70-862,708.60

Finding the Fourth Proportional to 2,755,905.40, 4,133,987.70 and 862,708.60

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Solution

The fourth proportional to 2,755,905.40, 4,133,987.70 and 862,708.60 is: 1,294,103.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755,905.40 : 4,133,987.70 = 862,708.60 : x
  2. Step 2: Convert to fraction form
    2,755,905.40/4,133,987.70 = 862,708.60/x
  3. Step 3: Cross multiply
    2,755,905.40x = 4,133,987.70 × 862,708.60
  4. Step 4: Simplify right side
    2,755,905.40x = 3,566,426,741,084.22
  5. Step 5: Solve for x
    x = 3,566,426,741,084.22/2,755,905.40
  6. Step 6: Final answer
    x = 1,294,103.47

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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.