Home / 1,917,118.19-2,645,530.57-1,045,901.23

Finding the Fourth Proportional to 1,917,118.19, 2,645,530.57 and 1,045,901.23

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Solution

The fourth proportional to 1,917,118.19, 2,645,530.57 and 1,045,901.23 is: 1,443,293.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,118.19 : 2,645,530.57 = 1,045,901.23 : x
  2. Step 2: Convert to fraction form
    1,917,118.19/2,645,530.57 = 1,045,901.23/x
  3. Step 3: Cross multiply
    1,917,118.19x = 2,645,530.57 × 1,045,901.23
  4. Step 4: Simplify right side
    1,917,118.19x = 2,766,963,671,859.15
  5. Step 5: Solve for x
    x = 2,766,963,671,859.15/1,917,118.19
  6. Step 6: Final answer
    x = 1,443,293.21

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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.