Home / 2,664,034.80-3,996,052.20-1,388,576.40

Finding the Fourth Proportional to 2,664,034.80, 3,996,052.20 and 1,388,576.40

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Solution

The fourth proportional to 2,664,034.80, 3,996,052.20 and 1,388,576.40 is: 2,082,864.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664,034.80 : 3,996,052.20 = 1,388,576.40 : x
  2. Step 2: Convert to fraction form
    2,664,034.80/3,996,052.20 = 1,388,576.40/x
  3. Step 3: Cross multiply
    2,664,034.80x = 3,996,052.20 × 1,388,576.40
  4. Step 4: Simplify right side
    2,664,034.80x = 5,548,823,778,088.08
  5. Step 5: Solve for x
    x = 5,548,823,778,088.08/2,664,034.80
  6. Step 6: Final answer
    x = 2,082,864.60

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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.