Home / 5,146,857.40-7,103,515.02-2,855,756.20

Finding the Fourth Proportional to 5,146,857.40, 7,103,515.02 and 2,855,756.20

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Solution

The fourth proportional to 5,146,857.40, 7,103,515.02 and 2,855,756.20 is: 3,941,416.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146,857.40 : 7,103,515.02 = 2,855,756.20 : x
  2. Step 2: Convert to fraction form
    5,146,857.40/7,103,515.02 = 2,855,756.20/x
  3. Step 3: Cross multiply
    5,146,857.40x = 7,103,515.02 × 2,855,756.20
  4. Step 4: Simplify right side
    5,146,857.40x = 20,285,907,060,158.12
  5. Step 5: Solve for x
    x = 20,285,907,060,158.12/5,146,857.40
  6. Step 6: Final answer
    x = 3,941,416.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.