Home / 1,876,821.50-2,810,686.04-1,298,825.17

Finding the Fourth Proportional to 1,876,821.50, 2,810,686.04 and 1,298,825.17

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Solution

The fourth proportional to 1,876,821.50, 2,810,686.04 and 1,298,825.17 is: 1,945,091.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,821.50 : 2,810,686.04 = 1,298,825.17 : x
  2. Step 2: Convert to fraction form
    1,876,821.50/2,810,686.04 = 1,298,825.17/x
  3. Step 3: Cross multiply
    1,876,821.50x = 2,810,686.04 × 1,298,825.17
  4. Step 4: Simplify right side
    1,876,821.50x = 3,650,589,767,225.50
  5. Step 5: Solve for x
    x = 3,650,589,767,225.50/1,876,821.50
  6. Step 6: Final answer
    x = 1,945,091.62

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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.