Home / 3,154,139.40-4,725,765.90-1,467,784.20

Finding the Fourth Proportional to 3,154,139.40, 4,725,765.90 and 1,467,784.20

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Solution

The fourth proportional to 3,154,139.40, 4,725,765.90 and 1,467,784.20 is: 2,199,143.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154,139.40 : 4,725,765.90 = 1,467,784.20 : x
  2. Step 2: Convert to fraction form
    3,154,139.40/4,725,765.90 = 1,467,784.20/x
  3. Step 3: Cross multiply
    3,154,139.40x = 4,725,765.90 × 1,467,784.20
  4. Step 4: Simplify right side
    3,154,139.40x = 6,936,404,520,918.78
  5. Step 5: Solve for x
    x = 6,936,404,520,918.78/3,154,139.40
  6. Step 6: Final answer
    x = 2,199,143.30

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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.