Home / 4,170,661.40-6,248,118.90-2,142,000.20

Finding the Fourth Proportional to 4,170,661.40, 6,248,118.90 and 2,142,000.20

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Solution

The fourth proportional to 4,170,661.40, 6,248,118.90 and 2,142,000.20 is: 3,208,956.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170,661.40 : 6,248,118.90 = 2,142,000.20 : x
  2. Step 2: Convert to fraction form
    4,170,661.40/6,248,118.90 = 2,142,000.20/x
  3. Step 3: Cross multiply
    4,170,661.40x = 6,248,118.90 × 2,142,000.20
  4. Step 4: Simplify right side
    4,170,661.40x = 13,383,471,933,423.78
  5. Step 5: Solve for x
    x = 13,383,471,933,423.78/4,170,661.40
  6. Step 6: Final answer
    x = 3,208,956.72

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1.5x scale

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.