Home / 5,377,398.54-8,066,899.45-1,918,868.84

Finding the Fourth Proportional to 5,377,398.54, 8,066,899.45 and 1,918,868.84

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Solution

The fourth proportional to 5,377,398.54, 8,066,899.45 and 1,918,868.84 is: 2,878,589.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377,398.54 : 8,066,899.45 = 1,918,868.84 : x
  2. Step 2: Convert to fraction form
    5,377,398.54/8,066,899.45 = 1,918,868.84/x
  3. Step 3: Cross multiply
    5,377,398.54x = 8,066,899.45 × 1,918,868.84
  4. Step 4: Simplify right side
    5,377,398.54x = 15,479,321,982,333.10
  5. Step 5: Solve for x
    x = 15,479,321,982,333.10/5,377,398.54
  6. Step 6: Final answer
    x = 2,878,589.32

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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.