Home / 1,611,106.08-2,223,342.72-885,959.15

Finding the Fourth Proportional to 1,611,106.08, 2,223,342.72 and 885,959.15

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Solution

The fourth proportional to 1,611,106.08, 2,223,342.72 and 885,959.15 is: 1,222,632.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,106.08 : 2,223,342.72 = 885,959.15 : x
  2. Step 2: Convert to fraction form
    1,611,106.08/2,223,342.72 = 885,959.15/x
  3. Step 3: Cross multiply
    1,611,106.08x = 2,223,342.72 × 885,959.15
  4. Step 4: Simplify right side
    1,611,106.08x = 1,969,790,815,253.17
  5. Step 5: Solve for x
    x = 1,969,790,815,253.17/1,611,106.08
  6. Step 6: Final answer
    x = 1,222,632.60

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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.