Home / 1,898,813.34-2,620,363.23-1,039,378.50

Finding the Fourth Proportional to 1,898,813.34, 2,620,363.23 and 1,039,378.50

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Solution

The fourth proportional to 1,898,813.34, 2,620,363.23 and 1,039,378.50 is: 1,434,342.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,813.34 : 2,620,363.23 = 1,039,378.50 : x
  2. Step 2: Convert to fraction form
    1,898,813.34/2,620,363.23 = 1,039,378.50/x
  3. Step 3: Cross multiply
    1,898,813.34x = 2,620,363.23 × 1,039,378.50
  4. Step 4: Simplify right side
    1,898,813.34x = 2,723,549,203,452.56
  5. Step 5: Solve for x
    x = 2,723,549,203,452.56/1,898,813.34
  6. Step 6: Final answer
    x = 1,434,342.78

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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.