Home / 1,916,620.95-2,645,223.33-1,229,069.16

Finding the Fourth Proportional to 1,916,620.95, 2,645,223.33 and 1,229,069.16

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Solution

The fourth proportional to 1,916,620.95, 2,645,223.33 and 1,229,069.16 is: 1,696,299.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,620.95 : 2,645,223.33 = 1,229,069.16 : x
  2. Step 2: Convert to fraction form
    1,916,620.95/2,645,223.33 = 1,229,069.16/x
  3. Step 3: Cross multiply
    1,916,620.95x = 2,645,223.33 × 1,229,069.16
  4. Step 4: Simplify right side
    1,916,620.95x = 3,251,162,416,215.50
  5. Step 5: Solve for x
    x = 3,251,162,416,215.50/1,916,620.95
  6. Step 6: Final answer
    x = 1,696,299.11

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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.