Home / 3,657,022-5,046,704.80-2,130,178.48

Finding the Fourth Proportional to 3,657,022, 5,046,704.80 and 2,130,178.48

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Solution

The fourth proportional to 3,657,022, 5,046,704.80 and 2,130,178.48 is: 2,939,654.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657,022 : 5,046,704.80 = 2,130,178.48 : x
  2. Step 2: Convert to fraction form
    3,657,022/5,046,704.80 = 2,130,178.48/x
  3. Step 3: Cross multiply
    3,657,022x = 5,046,704.80 × 2,130,178.48
  4. Step 4: Simplify right side
    3,657,022x = 10,750,381,959,872.70
  5. Step 5: Solve for x
    x = 10,750,381,959,872.70/3,657,022
  6. Step 6: Final answer
    x = 2,939,654.71

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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.