Home / 3,878,246.57-5,351,807.59-2,223,207.16

Finding the Fourth Proportional to 3,878,246.57, 5,351,807.59 and 2,223,207.16

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Solution

The fourth proportional to 3,878,246.57, 5,351,807.59 and 2,223,207.16 is: 3,067,926.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,246.57 : 5,351,807.59 = 2,223,207.16 : x
  2. Step 2: Convert to fraction form
    3,878,246.57/5,351,807.59 = 2,223,207.16/x
  3. Step 3: Cross multiply
    3,878,246.57x = 5,351,807.59 × 2,223,207.16
  4. Step 4: Simplify right side
    3,878,246.57x = 11,898,176,953,030.35
  5. Step 5: Solve for x
    x = 11,898,176,953,030.35/3,878,246.57
  6. Step 6: Final answer
    x = 3,067,926.89

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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.