Home / 2,793,261.31-4,189,127.32-771,021.79

Finding the Fourth Proportional to 2,793,261.31, 4,189,127.32 and 771,021.79

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Solution

The fourth proportional to 2,793,261.31, 4,189,127.32 and 771,021.79 is: 1,156,321.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793,261.31 : 4,189,127.32 = 771,021.79 : x
  2. Step 2: Convert to fraction form
    2,793,261.31/4,189,127.32 = 771,021.79/x
  3. Step 3: Cross multiply
    2,793,261.31x = 4,189,127.32 × 771,021.79
  4. Step 4: Simplify right side
    2,793,261.31x = 3,229,908,444,804.30
  5. Step 5: Solve for x
    x = 3,229,908,444,804.30/2,793,261.31
  6. Step 6: Final answer
    x = 1,156,321.62

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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.