Home / 2,181,427.47-3,003,693.44-2,175,128.91

Finding the Fourth Proportional to 2,181,427.47, 3,003,693.44 and 2,175,128.91

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Solution

The fourth proportional to 2,181,427.47, 3,003,693.44 and 2,175,128.91 is: 2,995,020.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,427.47 : 3,003,693.44 = 2,175,128.91 : x
  2. Step 2: Convert to fraction form
    2,181,427.47/3,003,693.44 = 2,175,128.91/x
  3. Step 3: Cross multiply
    2,181,427.47x = 3,003,693.44 × 2,175,128.91
  4. Step 4: Simplify right side
    2,181,427.47x = 6,533,420,427,245.71
  5. Step 5: Solve for x
    x = 6,533,420,427,245.71/2,181,427.47
  6. Step 6: Final answer
    x = 2,995,020.70

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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.