Home / 5,680,636.74-8,520,956.46-1,420,805.52

Finding the Fourth Proportional to 5,680,636.74, 8,520,956.46 and 1,420,805.52

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Solution

The fourth proportional to 5,680,636.74, 8,520,956.46 and 1,420,805.52 is: 2,131,208.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680,636.74 : 8,520,956.46 = 1,420,805.52 : x
  2. Step 2: Convert to fraction form
    5,680,636.74/8,520,956.46 = 1,420,805.52/x
  3. Step 3: Cross multiply
    5,680,636.74x = 8,520,956.46 × 1,420,805.52
  4. Step 4: Simplify right side
    5,680,636.74x = 12,106,621,974,047.66
  5. Step 5: Solve for x
    x = 12,106,621,974,047.66/5,680,636.74
  6. Step 6: Final answer
    x = 2,131,208.62

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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.