Home / 2,825,364.80-4,238,047.20-830,820.80

Finding the Fourth Proportional to 2,825,364.80, 4,238,047.20 and 830,820.80

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Solution

The fourth proportional to 2,825,364.80, 4,238,047.20 and 830,820.80 is: 1,246,231.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825,364.80 : 4,238,047.20 = 830,820.80 : x
  2. Step 2: Convert to fraction form
    2,825,364.80/4,238,047.20 = 830,820.80/x
  3. Step 3: Cross multiply
    2,825,364.80x = 4,238,047.20 × 830,820.80
  4. Step 4: Simplify right side
    2,825,364.80x = 3,521,057,748,003.31
  5. Step 5: Solve for x
    x = 3,521,057,748,003.31/2,825,364.80
  6. Step 6: Final answer
    x = 1,246,231.20

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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.