Home / 2,793,380.84-4,189,406.92-771,579.98

Finding the Fourth Proportional to 2,793,380.84, 4,189,406.92 and 771,579.98

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Solution

The fourth proportional to 2,793,380.84, 4,189,406.92 and 771,579.98 is: 1,157,186.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793,380.84 : 4,189,406.92 = 771,579.98 : x
  2. Step 2: Convert to fraction form
    2,793,380.84/4,189,406.92 = 771,579.98/x
  3. Step 3: Cross multiply
    2,793,380.84x = 4,189,406.92 × 771,579.98
  4. Step 4: Simplify right side
    2,793,380.84x = 3,232,462,507,545.46
  5. Step 5: Solve for x
    x = 3,232,462,507,545.46/2,793,380.84
  6. Step 6: Final answer
    x = 1,157,186.47

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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.