Home / 3,485,137.80-5,227,965.90-1,240,984.20

Finding the Fourth Proportional to 3,485,137.80, 5,227,965.90 and 1,240,984.20

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Solution

The fourth proportional to 3,485,137.80, 5,227,965.90 and 1,240,984.20 is: 1,861,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485,137.80 : 5,227,965.90 = 1,240,984.20 : x
  2. Step 2: Convert to fraction form
    3,485,137.80/5,227,965.90 = 1,240,984.20/x
  3. Step 3: Cross multiply
    3,485,137.80x = 5,227,965.90 × 1,240,984.20
  4. Step 4: Simplify right side
    3,485,137.80x = 6,487,823,080,038.78
  5. Step 5: Solve for x
    x = 6,487,823,080,038.78/3,485,137.80
  6. Step 6: Final answer
    x = 1,861,568.60

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1.5x scale

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.