Home / 2,072,011.20-3,108,016.80-652,502.40

Finding the Fourth Proportional to 2,072,011.20, 3,108,016.80 and 652,502.40

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Solution

The fourth proportional to 2,072,011.20, 3,108,016.80 and 652,502.40 is: 978,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,011.20 : 3,108,016.80 = 652,502.40 : x
  2. Step 2: Convert to fraction form
    2,072,011.20/3,108,016.80 = 652,502.40/x
  3. Step 3: Cross multiply
    2,072,011.20x = 3,108,016.80 × 652,502.40
  4. Step 4: Simplify right side
    2,072,011.20x = 2,027,988,421,240.32
  5. Step 5: Solve for x
    x = 2,027,988,421,240.32/2,072,011.20
  6. Step 6: Final answer
    x = 978,753.60

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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.