Home / 4,920,953.20-7,381,429.80-2,759,759.80

Finding the Fourth Proportional to 4,920,953.20, 7,381,429.80 and 2,759,759.80

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Solution

The fourth proportional to 4,920,953.20, 7,381,429.80 and 2,759,759.80 is: 4,139,639.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,953.20 : 7,381,429.80 = 2,759,759.80 : x
  2. Step 2: Convert to fraction form
    4,920,953.20/7,381,429.80 = 2,759,759.80/x
  3. Step 3: Cross multiply
    4,920,953.20x = 7,381,429.80 × 2,759,759.80
  4. Step 4: Simplify right side
    4,920,953.20x = 20,370,973,228,562.04
  5. Step 5: Solve for x
    x = 20,370,973,228,562.04/4,920,953.20
  6. Step 6: Final answer
    x = 4,139,639.70

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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.