Home / 1,808,116.13-2,712,174.20-858,608.21

Finding the Fourth Proportional to 1,808,116.13, 2,712,174.20 and 858,608.21

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Solution

The fourth proportional to 1,808,116.13, 2,712,174.20 and 858,608.21 is: 1,287,912.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,116.13 : 2,712,174.20 = 858,608.21 : x
  2. Step 2: Convert to fraction form
    1,808,116.13/2,712,174.20 = 858,608.21/x
  3. Step 3: Cross multiply
    1,808,116.13x = 2,712,174.20 × 858,608.21
  4. Step 4: Simplify right side
    1,808,116.13x = 2,328,695,035,070.18
  5. Step 5: Solve for x
    x = 2,328,695,035,070.18/1,808,116.13
  6. Step 6: Final answer
    x = 1,287,912.32

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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.