Home / 6,468,553.60-9,702,830.40-1,980,246.40

Finding the Fourth Proportional to 6,468,553.60, 9,702,830.40 and 1,980,246.40

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Solution

The fourth proportional to 6,468,553.60, 9,702,830.40 and 1,980,246.40 is: 2,970,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,468,553.60 : 9,702,830.40 = 1,980,246.40 : x
  2. Step 2: Convert to fraction form
    6,468,553.60/9,702,830.40 = 1,980,246.40/x
  3. Step 3: Cross multiply
    6,468,553.60x = 9,702,830.40 × 1,980,246.40
  4. Step 4: Simplify right side
    6,468,553.60x = 19,213,994,969,410.56
  5. Step 5: Solve for x
    x = 19,213,994,969,410.56/6,468,553.60
  6. Step 6: Final answer
    x = 2,970,369.60

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Similar ratio
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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.