Home / 5,078,152.20-7,007,858.46-2,786,330.10

Finding the Fourth Proportional to 5,078,152.20, 7,007,858.46 and 2,786,330.10

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Solution

The fourth proportional to 5,078,152.20, 7,007,858.46 and 2,786,330.10 is: 3,845,140.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078,152.20 : 7,007,858.46 = 2,786,330.10 : x
  2. Step 2: Convert to fraction form
    5,078,152.20/7,007,858.46 = 2,786,330.10/x
  3. Step 3: Cross multiply
    5,078,152.20x = 7,007,858.46 × 2,786,330.10
  4. Step 4: Simplify right side
    5,078,152.20x = 19,526,206,963,637.65
  5. Step 5: Solve for x
    x = 19,526,206,963,637.65/5,078,152.20
  6. Step 6: Final answer
    x = 3,845,140.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.