Home / 1,917,078.11-2,645,475.47-1,045,860.95

Finding the Fourth Proportional to 1,917,078.11, 2,645,475.47 and 1,045,860.95

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Solution

The fourth proportional to 1,917,078.11, 2,645,475.47 and 1,045,860.95 is: 1,443,237.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,078.11 : 2,645,475.47 = 1,045,860.95 : x
  2. Step 2: Convert to fraction form
    1,917,078.11/2,645,475.47 = 1,045,860.95/x
  3. Step 3: Cross multiply
    1,917,078.11x = 2,645,475.47 × 1,045,860.95
  4. Step 4: Simplify right side
    1,917,078.11x = 2,766,799,475,739.98
  5. Step 5: Solve for x
    x = 2,766,799,475,739.98/1,917,078.11
  6. Step 6: Final answer
    x = 1,443,237.74

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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.