Home / 1,910,939.40-2,637,017.31-1,039,777.74

Finding the Fourth Proportional to 1,910,939.40, 2,637,017.31 and 1,039,777.74

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Solution

The fourth proportional to 1,910,939.40, 2,637,017.31 and 1,039,777.74 is: 1,434,850.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,939.40 : 2,637,017.31 = 1,039,777.74 : x
  2. Step 2: Convert to fraction form
    1,910,939.40/2,637,017.31 = 1,039,777.74/x
  3. Step 3: Cross multiply
    1,910,939.40x = 2,637,017.31 × 1,039,777.74
  4. Step 4: Simplify right side
    1,910,939.40x = 2,741,911,898,932.68
  5. Step 5: Solve for x
    x = 2,741,911,898,932.68/1,910,939.40
  6. Step 6: Final answer
    x = 1,434,850.26

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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.