Home / 3,612,924.74-4,985,377.90-1,980,902.65

Finding the Fourth Proportional to 3,612,924.74, 4,985,377.90 and 1,980,902.65

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Solution

The fourth proportional to 3,612,924.74, 4,985,377.90 and 1,980,902.65 is: 2,733,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612,924.74 : 4,985,377.90 = 1,980,902.65 : x
  2. Step 2: Convert to fraction form
    3,612,924.74/4,985,377.90 = 1,980,902.65/x
  3. Step 3: Cross multiply
    3,612,924.74x = 4,985,377.90 × 1,980,902.65
  4. Step 4: Simplify right side
    3,612,924.74x = 9,875,548,258,530.03
  5. Step 5: Solve for x
    x = 9,875,548,258,530.03/3,612,924.74
  6. Step 6: Final answer
    x = 2,733,394.40

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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.