Home / 5,161,019.08-7,121,802.88-2,869,040.20

Finding the Fourth Proportional to 5,161,019.08, 7,121,802.88 and 2,869,040.20

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Solution

The fourth proportional to 5,161,019.08, 7,121,802.88 and 2,869,040.20 is: 3,959,051.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161,019.08 : 7,121,802.88 = 2,869,040.20 : x
  2. Step 2: Convert to fraction form
    5,161,019.08/7,121,802.88 = 2,869,040.20/x
  3. Step 3: Cross multiply
    5,161,019.08x = 7,121,802.88 × 2,869,040.20
  4. Step 4: Simplify right side
    5,161,019.08x = 20,432,738,759,195.78
  5. Step 5: Solve for x
    x = 20,432,738,759,195.78/5,161,019.08
  6. Step 6: Final answer
    x = 3,959,051.20

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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.