Home / 2,087,247.67-3,131,318.37-647,899.48

Finding the Fourth Proportional to 2,087,247.67, 3,131,318.37 and 647,899.48

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Solution

The fourth proportional to 2,087,247.67, 3,131,318.37 and 647,899.48 is: 971,987.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,247.67 : 3,131,318.37 = 647,899.48 : x
  2. Step 2: Convert to fraction form
    2,087,247.67/3,131,318.37 = 647,899.48/x
  3. Step 3: Cross multiply
    2,087,247.67x = 3,131,318.37 × 647,899.48
  4. Step 4: Simplify right side
    2,087,247.67x = 2,028,779,543,637.45
  5. Step 5: Solve for x
    x = 2,028,779,543,637.45/2,087,247.67
  6. Step 6: Final answer
    x = 971,987.93

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Double scale
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1.5x scale

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.