Home / 3,705,319.20-5,557,978.80-1,811,085.60

Finding the Fourth Proportional to 3,705,319.20, 5,557,978.80 and 1,811,085.60

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Solution

The fourth proportional to 3,705,319.20, 5,557,978.80 and 1,811,085.60 is: 2,716,628.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705,319.20 : 5,557,978.80 = 1,811,085.60 : x
  2. Step 2: Convert to fraction form
    3,705,319.20/5,557,978.80 = 1,811,085.60/x
  3. Step 3: Cross multiply
    3,705,319.20x = 5,557,978.80 × 1,811,085.60
  4. Step 4: Simplify right side
    3,705,319.20x = 10,065,975,369,785.28
  5. Step 5: Solve for x
    x = 10,065,975,369,785.28/3,705,319.20
  6. Step 6: Final answer
    x = 2,716,628.40

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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.