Home / 3,290,069.80-4,540,308.42-1,913,743.72

Finding the Fourth Proportional to 3,290,069.80, 4,540,308.42 and 1,913,743.72

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Solution

The fourth proportional to 3,290,069.80, 4,540,308.42 and 1,913,743.72 is: 2,640,973.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290,069.80 : 4,540,308.42 = 1,913,743.72 : x
  2. Step 2: Convert to fraction form
    3,290,069.80/4,540,308.42 = 1,913,743.72/x
  3. Step 3: Cross multiply
    3,290,069.80x = 4,540,308.42 × 1,913,743.72
  4. Step 4: Simplify right side
    3,290,069.80x = 8,688,986,725,638.12
  5. Step 5: Solve for x
    x = 8,688,986,725,638.12/3,290,069.80
  6. Step 6: Final answer
    x = 2,640,973.37

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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.