Home / 3,619,784.80-5,431,232.40-1,846,856.80

Finding the Fourth Proportional to 3,619,784.80, 5,431,232.40 and 1,846,856.80

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Solution

The fourth proportional to 3,619,784.80, 5,431,232.40 and 1,846,856.80 is: 2,771,078.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,784.80 : 5,431,232.40 = 1,846,856.80 : x
  2. Step 2: Convert to fraction form
    3,619,784.80/5,431,232.40 = 1,846,856.80/x
  3. Step 3: Cross multiply
    3,619,784.80x = 5,431,232.40 × 1,846,856.80
  4. Step 4: Simplify right side
    3,619,784.80x = 10,030,708,490,320.32
  5. Step 5: Solve for x
    x = 10,030,708,490,320.32/3,619,784.80
  6. Step 6: Final answer
    x = 2,771,078.68

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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.