Home / 2,807,999.40-4,211,999.10-914,932.20

Finding the Fourth Proportional to 2,807,999.40, 4,211,999.10 and 914,932.20

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Solution

The fourth proportional to 2,807,999.40, 4,211,999.10 and 914,932.20 is: 1,372,398.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807,999.40 : 4,211,999.10 = 914,932.20 : x
  2. Step 2: Convert to fraction form
    2,807,999.40/4,211,999.10 = 914,932.20/x
  3. Step 3: Cross multiply
    2,807,999.40x = 4,211,999.10 × 914,932.20
  4. Step 4: Simplify right side
    2,807,999.40x = 3,853,693,602,961.02
  5. Step 5: Solve for x
    x = 3,853,693,602,961.02/2,807,999.40
  6. Step 6: Final answer
    x = 1,372,398.30

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1.5x scale

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.