Home / 1,908,840.33-2,863,111.65-1,109,612.11

Finding the Fourth Proportional to 1,908,840.33, 2,863,111.65 and 1,109,612.11

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Solution

The fourth proportional to 1,908,840.33, 2,863,111.65 and 1,109,612.11 is: 1,664,331.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,840.33 : 2,863,111.65 = 1,109,612.11 : x
  2. Step 2: Convert to fraction form
    1,908,840.33/2,863,111.65 = 1,109,612.11/x
  3. Step 3: Cross multiply
    1,908,840.33x = 2,863,111.65 × 1,109,612.11
  4. Step 4: Simplify right side
    1,908,840.33x = 3,176,943,359,122.08
  5. Step 5: Solve for x
    x = 3,176,943,359,122.08/1,908,840.33
  6. Step 6: Final answer
    x = 1,664,331.64

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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.