Home / 2,102,393.20-2,901,407.96-1,286,341.36

Finding the Fourth Proportional to 2,102,393.20, 2,901,407.96 and 1,286,341.36

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Solution

The fourth proportional to 2,102,393.20, 2,901,407.96 and 1,286,341.36 is: 1,775,215.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102,393.20 : 2,901,407.96 = 1,286,341.36 : x
  2. Step 2: Convert to fraction form
    2,102,393.20/2,901,407.96 = 1,286,341.36/x
  3. Step 3: Cross multiply
    2,102,393.20x = 2,901,407.96 × 1,286,341.36
  4. Step 4: Simplify right side
    2,102,393.20x = 3,732,201,061,181.23
  5. Step 5: Solve for x
    x = 3,732,201,061,181.23/2,102,393.20
  6. Step 6: Final answer
    x = 1,775,215.53

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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.