Home / 4,680,631.20-7,020,946.80-3,420,919.20

Finding the Fourth Proportional to 4,680,631.20, 7,020,946.80 and 3,420,919.20

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Solution

The fourth proportional to 4,680,631.20, 7,020,946.80 and 3,420,919.20 is: 5,131,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680,631.20 : 7,020,946.80 = 3,420,919.20 : x
  2. Step 2: Convert to fraction form
    4,680,631.20/7,020,946.80 = 3,420,919.20/x
  3. Step 3: Cross multiply
    4,680,631.20x = 7,020,946.80 × 3,420,919.20
  4. Step 4: Simplify right side
    4,680,631.20x = 24,018,091,710,298.56
  5. Step 5: Solve for x
    x = 24,018,091,710,298.56/4,680,631.20
  6. Step 6: Final answer
    x = 5,131,378.80

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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.