Home / 2,685,312.80-4,026,584.10-791,808.20

Finding the Fourth Proportional to 2,685,312.80, 4,026,584.10 and 791,808.20

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Solution

The fourth proportional to 2,685,312.80, 4,026,584.10 and 791,808.20 is: 1,187,303.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,312.80 : 4,026,584.10 = 791,808.20 : x
  2. Step 2: Convert to fraction form
    2,685,312.80/4,026,584.10 = 791,808.20/x
  3. Step 3: Cross multiply
    2,685,312.80x = 4,026,584.10 × 791,808.20
  4. Step 4: Simplify right side
    2,685,312.80x = 3,188,282,308,369.62
  5. Step 5: Solve for x
    x = 3,188,282,308,369.62/2,685,312.80
  6. Step 6: Final answer
    x = 1,187,303.88

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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.