Home / 1,869,134.31-2,579,407.74-1,009,694.61

Finding the Fourth Proportional to 1,869,134.31, 2,579,407.74 and 1,009,694.61

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Solution

The fourth proportional to 1,869,134.31, 2,579,407.74 and 1,009,694.61 is: 1,393,379.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,134.31 : 2,579,407.74 = 1,009,694.61 : x
  2. Step 2: Convert to fraction form
    1,869,134.31/2,579,407.74 = 1,009,694.61/x
  3. Step 3: Cross multiply
    1,869,134.31x = 2,579,407.74 × 1,009,694.61
  4. Step 4: Simplify right side
    1,869,134.31x = 2,604,414,092,070.28
  5. Step 5: Solve for x
    x = 2,604,414,092,070.28/1,869,134.31
  6. Step 6: Final answer
    x = 1,393,379.85

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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.