Home / 1,917,119.70-2,645,532.65-1,045,902.74

Finding the Fourth Proportional to 1,917,119.70, 2,645,532.65 and 1,045,902.74

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Solution

The fourth proportional to 1,917,119.70, 2,645,532.65 and 1,045,902.74 is: 1,443,295.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,119.70 : 2,645,532.65 = 1,045,902.74 : x
  2. Step 2: Convert to fraction form
    1,917,119.70/2,645,532.65 = 1,045,902.74/x
  3. Step 3: Cross multiply
    1,917,119.70x = 2,645,532.65 × 1,045,902.74
  4. Step 4: Simplify right side
    1,917,119.70x = 2,766,969,828,937.28
  5. Step 5: Solve for x
    x = 2,766,969,828,937.28/1,917,119.70
  6. Step 6: Final answer
    x = 1,443,295.29

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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.