Home / 2,723,203.80-4,084,805.70-830,039.40

Finding the Fourth Proportional to 2,723,203.80, 4,084,805.70 and 830,039.40

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Solution

The fourth proportional to 2,723,203.80, 4,084,805.70 and 830,039.40 is: 1,245,059.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723,203.80 : 4,084,805.70 = 830,039.40 : x
  2. Step 2: Convert to fraction form
    2,723,203.80/4,084,805.70 = 830,039.40/x
  3. Step 3: Cross multiply
    2,723,203.80x = 4,084,805.70 × 830,039.40
  4. Step 4: Simplify right side
    2,723,203.80x = 3,390,549,672,344.58
  5. Step 5: Solve for x
    x = 3,390,549,672,344.58/2,723,203.80
  6. Step 6: Final answer
    x = 1,245,059.10

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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.