Home / 2,439,457.81-3,366,500.49-1,420,928.17

Finding the Fourth Proportional to 2,439,457.81, 3,366,500.49 and 1,420,928.17

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Solution

The fourth proportional to 2,439,457.81, 3,366,500.49 and 1,420,928.17 is: 1,960,909.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439,457.81 : 3,366,500.49 = 1,420,928.17 : x
  2. Step 2: Convert to fraction form
    2,439,457.81/3,366,500.49 = 1,420,928.17/x
  3. Step 3: Cross multiply
    2,439,457.81x = 3,366,500.49 × 1,420,928.17
  4. Step 4: Simplify right side
    2,439,457.81x = 4,783,555,380,559.80
  5. Step 5: Solve for x
    x = 4,783,555,380,559.80/2,439,457.81
  6. Step 6: Final answer
    x = 1,960,909.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.