Home / 2,825,365.80-4,238,048.70-830,821.80

Finding the Fourth Proportional to 2,825,365.80, 4,238,048.70 and 830,821.80

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Solution

The fourth proportional to 2,825,365.80, 4,238,048.70 and 830,821.80 is: 1,246,232.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825,365.80 : 4,238,048.70 = 830,821.80 : x
  2. Step 2: Convert to fraction form
    2,825,365.80/4,238,048.70 = 830,821.80/x
  3. Step 3: Cross multiply
    2,825,365.80x = 4,238,048.70 × 830,821.80
  4. Step 4: Simplify right side
    2,825,365.80x = 3,521,063,249,421.66
  5. Step 5: Solve for x
    x = 3,521,063,249,421.66/2,825,365.80
  6. Step 6: Final answer
    x = 1,246,232.70

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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.