Home / 3,120,758.40-4,674,139.20-3,120,758.40

Finding the Fourth Proportional to 3,120,758.40, 4,674,139.20 and 3,120,758.40

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Solution

The fourth proportional to 3,120,758.40, 4,674,139.20 and 3,120,758.40 is: 4,674,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,758.40 : 4,674,139.20 = 3,120,758.40 : x
  2. Step 2: Convert to fraction form
    3,120,758.40/4,674,139.20 = 3,120,758.40/x
  3. Step 3: Cross multiply
    3,120,758.40x = 4,674,139.20 × 3,120,758.40
  4. Step 4: Simplify right side
    3,120,758.40x = 14,586,859,171,169.28
  5. Step 5: Solve for x
    x = 14,586,859,171,169.28/3,120,758.40
  6. Step 6: Final answer
    x = 4,674,139.20

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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.