Home / 1,980,314.60-2,976,814.20-1,839,909.20

Finding the Fourth Proportional to 1,980,314.60, 2,976,814.20 and 1,839,909.20

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Solution

The fourth proportional to 1,980,314.60, 2,976,814.20 and 1,839,909.20 is: 2,765,756.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,314.60 : 2,976,814.20 = 1,839,909.20 : x
  2. Step 2: Convert to fraction form
    1,980,314.60/2,976,814.20 = 1,839,909.20/x
  3. Step 3: Cross multiply
    1,980,314.60x = 2,976,814.20 × 1,839,909.20
  4. Step 4: Simplify right side
    1,980,314.60x = 5,477,067,833,270.64
  5. Step 5: Solve for x
    x = 5,477,067,833,270.64/1,980,314.60
  6. Step 6: Final answer
    x = 2,765,756.43

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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.