Home / 2,973,412.80-4,103,314.56-1,615,286.88

Finding the Fourth Proportional to 2,973,412.80, 4,103,314.56 and 1,615,286.88

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Solution

The fourth proportional to 2,973,412.80, 4,103,314.56 and 1,615,286.88 is: 2,229,098.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973,412.80 : 4,103,314.56 = 1,615,286.88 : x
  2. Step 2: Convert to fraction form
    2,973,412.80/4,103,314.56 = 1,615,286.88/x
  3. Step 3: Cross multiply
    2,973,412.80x = 4,103,314.56 × 1,615,286.88
  4. Step 4: Simplify right side
    2,973,412.80x = 6,628,030,173,280.97
  5. Step 5: Solve for x
    x = 6,628,030,173,280.97/2,973,412.80
  6. Step 6: Final answer
    x = 2,229,098.55

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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.