Home / 2,895,635.60-4,345,008.60-1,212,909.20

Finding the Fourth Proportional to 2,895,635.60, 4,345,008.60 and 1,212,909.20

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Solution

The fourth proportional to 2,895,635.60, 4,345,008.60 and 1,212,909.20 is: 1,820,015.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895,635.60 : 4,345,008.60 = 1,212,909.20 : x
  2. Step 2: Convert to fraction form
    2,895,635.60/4,345,008.60 = 1,212,909.20/x
  3. Step 3: Cross multiply
    2,895,635.60x = 4,345,008.60 × 1,212,909.20
  4. Step 4: Simplify right side
    2,895,635.60x = 5,270,100,905,019.12
  5. Step 5: Solve for x
    x = 5,270,100,905,019.12/2,895,635.60
  6. Step 6: Final answer
    x = 1,820,015.23

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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.