Home / 1,789,520.23-2,688,764.40-1,681,903.42

Finding the Fourth Proportional to 1,789,520.23, 2,688,764.40 and 1,681,903.42

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Solution

The fourth proportional to 1,789,520.23, 2,688,764.40 and 1,681,903.42 is: 2,527,069.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789,520.23 : 2,688,764.40 = 1,681,903.42 : x
  2. Step 2: Convert to fraction form
    1,789,520.23/2,688,764.40 = 1,681,903.42/x
  3. Step 3: Cross multiply
    1,789,520.23x = 2,688,764.40 × 1,681,903.42
  4. Step 4: Simplify right side
    1,789,520.23x = 4,522,242,039,934.25
  5. Step 5: Solve for x
    x = 4,522,242,039,934.25/1,789,520.23
  6. Step 6: Final answer
    x = 2,527,069.53

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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.