Home / 2,757,678.45-4,137,182.16-864,419.88

Finding the Fourth Proportional to 2,757,678.45, 4,137,182.16 and 864,419.88

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Solution

The fourth proportional to 2,757,678.45, 4,137,182.16 and 864,419.88 is: 1,296,838.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757,678.45 : 4,137,182.16 = 864,419.88 : x
  2. Step 2: Convert to fraction form
    2,757,678.45/4,137,182.16 = 864,419.88/x
  3. Step 3: Cross multiply
    2,757,678.45x = 4,137,182.16 × 864,419.88
  4. Step 4: Simplify right side
    2,757,678.45x = 3,576,262,506,285.34
  5. Step 5: Solve for x
    x = 3,576,262,506,285.34/2,757,678.45
  6. Step 6: Final answer
    x = 1,296,838.11

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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.