Home / 2,989,342.99-4,123,872.48-1,764,828.22

Finding the Fourth Proportional to 2,989,342.99, 4,123,872.48 and 1,764,828.22

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Solution

The fourth proportional to 2,989,342.99, 4,123,872.48 and 1,764,828.22 is: 2,434,624.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,342.99 : 4,123,872.48 = 1,764,828.22 : x
  2. Step 2: Convert to fraction form
    2,989,342.99/4,123,872.48 = 1,764,828.22/x
  3. Step 3: Cross multiply
    2,989,342.99x = 4,123,872.48 × 1,764,828.22
  4. Step 4: Simplify right side
    2,989,342.99x = 7,277,926,528,385.39
  5. Step 5: Solve for x
    x = 7,277,926,528,385.39/2,989,342.99
  6. Step 6: Final answer
    x = 2,434,624.11

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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.