Home / 2,929,712.12-4,392,962.78-907,394.58

Finding the Fourth Proportional to 2,929,712.12, 4,392,962.78 and 907,394.58

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Solution

The fourth proportional to 2,929,712.12, 4,392,962.78 and 907,394.58 is: 1,360,594.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929,712.12 : 4,392,962.78 = 907,394.58 : x
  2. Step 2: Convert to fraction form
    2,929,712.12/4,392,962.78 = 907,394.58/x
  3. Step 3: Cross multiply
    2,929,712.12x = 4,392,962.78 × 907,394.58
  4. Step 4: Simplify right side
    2,929,712.12x = 3,986,150,612,176.76
  5. Step 5: Solve for x
    x = 3,986,150,612,176.76/2,929,712.12
  6. Step 6: Final answer
    x = 1,360,594.64

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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.