Home / 2,815,442.65-4,223,081.96-685,496.01

Finding the Fourth Proportional to 2,815,442.65, 4,223,081.96 and 685,496.01

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Solution

The fourth proportional to 2,815,442.65, 4,223,081.96 and 685,496.01 is: 1,028,224.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,442.65 : 4,223,081.96 = 685,496.01 : x
  2. Step 2: Convert to fraction form
    2,815,442.65/4,223,081.96 = 685,496.01/x
  3. Step 3: Cross multiply
    2,815,442.65x = 4,223,081.96 × 685,496.01
  4. Step 4: Simplify right side
    2,815,442.65x = 2,894,905,852,318.45
  5. Step 5: Solve for x
    x = 2,894,905,852,318.45/2,815,442.65
  6. Step 6: Final answer
    x = 1,028,224.05

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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.