Home / 3,947,555.31-5,912,364.63-3,089,278.08

Finding the Fourth Proportional to 3,947,555.31, 5,912,364.63 and 3,089,278.08

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Solution

The fourth proportional to 3,947,555.31, 5,912,364.63 and 3,089,278.08 is: 4,626,898.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947,555.31 : 5,912,364.63 = 3,089,278.08 : x
  2. Step 2: Convert to fraction form
    3,947,555.31/5,912,364.63 = 3,089,278.08/x
  3. Step 3: Cross multiply
    3,947,555.31x = 5,912,364.63 × 3,089,278.08
  4. Step 4: Simplify right side
    3,947,555.31x = 18,264,938,452,426.31
  5. Step 5: Solve for x
    x = 18,264,938,452,426.31/3,947,555.31
  6. Step 6: Final answer
    x = 4,626,898.68

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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.