Home / 6,285,348.72-9,428,395.68-1,968,206.40

Finding the Fourth Proportional to 6,285,348.72, 9,428,395.68 and 1,968,206.40

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Solution

The fourth proportional to 6,285,348.72, 9,428,395.68 and 1,968,206.40 is: 2,952,426.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,285,348.72 : 9,428,395.68 = 1,968,206.40 : x
  2. Step 2: Convert to fraction form
    6,285,348.72/9,428,395.68 = 1,968,206.40/x
  3. Step 3: Cross multiply
    6,285,348.72x = 9,428,395.68 × 1,968,206.40
  4. Step 4: Simplify right side
    6,285,348.72x = 18,557,028,719,108.35
  5. Step 5: Solve for x
    x = 18,557,028,719,108.35/6,285,348.72
  6. Step 6: Final answer
    x = 2,952,426.28

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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.