Home / 1,930,278.90-2,663,788.02-1,070,839.17

Finding the Fourth Proportional to 1,930,278.90, 2,663,788.02 and 1,070,839.17

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Solution

The fourth proportional to 1,930,278.90, 2,663,788.02 and 1,070,839.17 is: 1,477,759.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,278.90 : 2,663,788.02 = 1,070,839.17 : x
  2. Step 2: Convert to fraction form
    1,930,278.90/2,663,788.02 = 1,070,839.17/x
  3. Step 3: Cross multiply
    1,930,278.90x = 2,663,788.02 × 1,070,839.17
  4. Step 4: Simplify right side
    1,930,278.90x = 2,852,488,552,392.74
  5. Step 5: Solve for x
    x = 2,852,488,552,392.74/1,930,278.90
  6. Step 6: Final answer
    x = 1,477,759.80

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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.