Home / 5,194,375.47-7,791,563.28-1,407,858.35

Finding the Fourth Proportional to 5,194,375.47, 7,791,563.28 and 1,407,858.35

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Solution

The fourth proportional to 5,194,375.47, 7,791,563.28 and 1,407,858.35 is: 2,111,787.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,194,375.47 : 7,791,563.28 = 1,407,858.35 : x
  2. Step 2: Convert to fraction form
    5,194,375.47/7,791,563.28 = 1,407,858.35/x
  3. Step 3: Cross multiply
    5,194,375.47x = 7,791,563.28 × 1,407,858.35
  4. Step 4: Simplify right side
    5,194,375.47x = 10,969,417,400,302.83
  5. Step 5: Solve for x
    x = 10,969,417,400,302.83/5,194,375.47
  6. Step 6: Final answer
    x = 2,111,787.54

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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.