Home / 1,808,114.13-2,712,171.20-858,606.21

Finding the Fourth Proportional to 1,808,114.13, 2,712,171.20 and 858,606.21

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Solution

The fourth proportional to 1,808,114.13, 2,712,171.20 and 858,606.21 is: 1,287,909.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,114.13 : 2,712,171.20 = 858,606.21 : x
  2. Step 2: Convert to fraction form
    1,808,114.13/2,712,171.20 = 858,606.21/x
  3. Step 3: Cross multiply
    1,808,114.13x = 2,712,171.20 × 858,606.21
  4. Step 4: Simplify right side
    1,808,114.13x = 2,328,687,030,610.12
  5. Step 5: Solve for x
    x = 2,328,687,030,610.12/1,808,114.13
  6. Step 6: Final answer
    x = 1,287,909.32

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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.