Home / 2,828,115.72-4,242,182.40-698,200.02

Finding the Fourth Proportional to 2,828,115.72, 4,242,182.40 and 698,200.02

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Solution

The fourth proportional to 2,828,115.72, 4,242,182.40 and 698,200.02 is: 1,047,302.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828,115.72 : 4,242,182.40 = 698,200.02 : x
  2. Step 2: Convert to fraction form
    2,828,115.72/4,242,182.40 = 698,200.02/x
  3. Step 3: Cross multiply
    2,828,115.72x = 4,242,182.40 × 698,200.02
  4. Step 4: Simplify right side
    2,828,115.72x = 2,961,891,836,523.65
  5. Step 5: Solve for x
    x = 2,961,891,836,523.65/2,828,115.72
  6. Step 6: Final answer
    x = 1,047,302.21

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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.