Home / 1,620,126.24-2,236,047.14-941,456.40

Finding the Fourth Proportional to 1,620,126.24, 2,236,047.14 and 941,456.40

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Solution

The fourth proportional to 1,620,126.24, 2,236,047.14 and 941,456.40 is: 1,299,368.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,126.24 : 2,236,047.14 = 941,456.40 : x
  2. Step 2: Convert to fraction form
    1,620,126.24/2,236,047.14 = 941,456.40/x
  3. Step 3: Cross multiply
    1,620,126.24x = 2,236,047.14 × 941,456.40
  4. Step 4: Simplify right side
    1,620,126.24x = 2,105,140,890,654.70
  5. Step 5: Solve for x
    x = 2,105,140,890,654.70/1,620,126.24
  6. Step 6: Final answer
    x = 1,299,368.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.