Home / 2,112,656-2,915,470.08-1,207,235.84

Finding the Fourth Proportional to 2,112,656, 2,915,470.08 and 1,207,235.84

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Solution

The fourth proportional to 2,112,656, 2,915,470.08 and 1,207,235.84 is: 1,665,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,656 : 2,915,470.08 = 1,207,235.84 : x
  2. Step 2: Convert to fraction form
    2,112,656/2,915,470.08 = 1,207,235.84/x
  3. Step 3: Cross multiply
    2,112,656x = 2,915,470.08 × 1,207,235.84
  4. Step 4: Simplify right side
    2,112,656x = 3,519,659,971,023.67
  5. Step 5: Solve for x
    x = 3,519,659,971,023.67/2,112,656
  6. Step 6: Final answer
    x = 1,665,988.20

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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.