Home / 2,071,621.20-3,107,431.80-652,112.40

Finding the Fourth Proportional to 2,071,621.20, 3,107,431.80 and 652,112.40

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Solution

The fourth proportional to 2,071,621.20, 3,107,431.80 and 652,112.40 is: 978,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,621.20 : 3,107,431.80 = 652,112.40 : x
  2. Step 2: Convert to fraction form
    2,071,621.20/3,107,431.80 = 652,112.40/x
  3. Step 3: Cross multiply
    2,071,621.20x = 3,107,431.80 × 652,112.40
  4. Step 4: Simplify right side
    2,071,621.20x = 2,026,394,808,934.32
  5. Step 5: Solve for x
    x = 2,026,394,808,934.32/2,071,621.20
  6. Step 6: Final answer
    x = 978,168.60

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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.