Home / 1,811,861-2,500,523.70-1,007,200.52

Finding the Fourth Proportional to 1,811,861, 2,500,523.70 and 1,007,200.52

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Solution

The fourth proportional to 1,811,861, 2,500,523.70 and 1,007,200.52 is: 1,390,023.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,861 : 2,500,523.70 = 1,007,200.52 : x
  2. Step 2: Convert to fraction form
    1,811,861/2,500,523.70 = 1,007,200.52/x
  3. Step 3: Cross multiply
    1,811,861x = 2,500,523.70 × 1,007,200.52
  4. Step 4: Simplify right side
    1,811,861x = 2,518,528,770,912.32
  5. Step 5: Solve for x
    x = 2,518,528,770,912.32/1,811,861
  6. Step 6: Final answer
    x = 1,390,023.17

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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.