Home / 2,938,589.76-4,054,973.76-1,649,134.56

Finding the Fourth Proportional to 2,938,589.76, 4,054,973.76 and 1,649,134.56

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Solution

The fourth proportional to 2,938,589.76, 4,054,973.76 and 1,649,134.56 is: 2,275,648.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938,589.76 : 4,054,973.76 = 1,649,134.56 : x
  2. Step 2: Convert to fraction form
    2,938,589.76/4,054,973.76 = 1,649,134.56/x
  3. Step 3: Cross multiply
    2,938,589.76x = 4,054,973.76 × 1,649,134.56
  4. Step 4: Simplify right side
    2,938,589.76x = 6,687,197,367,509.15
  5. Step 5: Solve for x
    x = 6,687,197,367,509.15/2,938,589.76
  6. Step 6: Final answer
    x = 2,275,648.50

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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.