Home / 2,921,157.76-4,031,279.96-1,632,139.96

Finding the Fourth Proportional to 2,921,157.76, 4,031,279.96 and 1,632,139.96

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Solution

The fourth proportional to 2,921,157.76, 4,031,279.96 and 1,632,139.96 is: 2,252,399.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921,157.76 : 4,031,279.96 = 1,632,139.96 : x
  2. Step 2: Convert to fraction form
    2,921,157.76/4,031,279.96 = 1,632,139.96/x
  3. Step 3: Cross multiply
    2,921,157.76x = 4,031,279.96 × 1,632,139.96
  4. Step 4: Simplify right side
    2,921,157.76x = 6,579,613,112,663.20
  5. Step 5: Solve for x
    x = 6,579,613,112,663.20/2,921,157.76
  6. Step 6: Final answer
    x = 2,252,399.10

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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.