Home / 3,320,011.80-4,980,017.70-3,020,830.20

Finding the Fourth Proportional to 3,320,011.80, 4,980,017.70 and 3,020,830.20

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Solution

The fourth proportional to 3,320,011.80, 4,980,017.70 and 3,020,830.20 is: 4,531,245.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320,011.80 : 4,980,017.70 = 3,020,830.20 : x
  2. Step 2: Convert to fraction form
    3,320,011.80/4,980,017.70 = 3,020,830.20/x
  3. Step 3: Cross multiply
    3,320,011.80x = 4,980,017.70 × 3,020,830.20
  4. Step 4: Simplify right side
    3,320,011.80x = 15,043,787,864,694.54
  5. Step 5: Solve for x
    x = 15,043,787,864,694.54/3,320,011.80
  6. Step 6: Final answer
    x = 4,531,245.30

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Double scale
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Similar ratio
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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.