Home / 4,921,003.20-7,381,504.80-2,759,809.80

Finding the Fourth Proportional to 4,921,003.20, 7,381,504.80 and 2,759,809.80

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Solution

The fourth proportional to 4,921,003.20, 7,381,504.80 and 2,759,809.80 is: 4,139,714.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921,003.20 : 7,381,504.80 = 2,759,809.80 : x
  2. Step 2: Convert to fraction form
    4,921,003.20/7,381,504.80 = 2,759,809.80/x
  3. Step 3: Cross multiply
    4,921,003.20x = 7,381,504.80 × 2,759,809.80
  4. Step 4: Simplify right side
    4,921,003.20x = 20,371,549,285,787.04
  5. Step 5: Solve for x
    x = 20,371,549,285,787.04/4,921,003.20
  6. Step 6: Final answer
    x = 4,139,714.70

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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.