Home / 2,121,818.64-3,180,808.86-773,665.93

Finding the Fourth Proportional to 2,121,818.64, 3,180,808.86 and 773,665.93

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Solution

The fourth proportional to 2,121,818.64, 3,180,808.86 and 773,665.93 is: 1,159,799.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,818.64 : 3,180,808.86 = 773,665.93 : x
  2. Step 2: Convert to fraction form
    2,121,818.64/3,180,808.86 = 773,665.93/x
  3. Step 3: Cross multiply
    2,121,818.64x = 3,180,808.86 × 773,665.93
  4. Step 4: Simplify right side
    2,121,818.64x = 2,460,883,444,824.14
  5. Step 5: Solve for x
    x = 2,460,883,444,824.14/2,121,818.64
  6. Step 6: Final answer
    x = 1,159,799.15

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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.