Home / 1,781,859.80-2,669,160.90-1,105,866.20

Finding the Fourth Proportional to 1,781,859.80, 2,669,160.90 and 1,105,866.20

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Solution

The fourth proportional to 1,781,859.80, 2,669,160.90 and 1,105,866.20 is: 1,656,547.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,859.80 : 2,669,160.90 = 1,105,866.20 : x
  2. Step 2: Convert to fraction form
    1,781,859.80/2,669,160.90 = 1,105,866.20/x
  3. Step 3: Cross multiply
    1,781,859.80x = 2,669,160.90 × 1,105,866.20
  4. Step 4: Simplify right side
    1,781,859.80x = 2,951,734,821,671.58
  5. Step 5: Solve for x
    x = 2,951,734,821,671.58/1,781,859.80
  6. Step 6: Final answer
    x = 1,656,547.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.