Home / 2,938,394.79-4,055,014.85-1,649,209.32

Finding the Fourth Proportional to 2,938,394.79, 4,055,014.85 and 1,649,209.32

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Solution

The fourth proportional to 2,938,394.79, 4,055,014.85 and 1,649,209.32 is: 2,275,925.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938,394.79 : 4,055,014.85 = 1,649,209.32 : x
  2. Step 2: Convert to fraction form
    2,938,394.79/4,055,014.85 = 1,649,209.32/x
  3. Step 3: Cross multiply
    2,938,394.79x = 4,055,014.85 × 1,649,209.32
  4. Step 4: Simplify right side
    2,938,394.79x = 6,687,568,275,112.36
  5. Step 5: Solve for x
    x = 6,687,568,275,112.36/2,938,394.79
  6. Step 6: Final answer
    x = 2,275,925.72

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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.