Home / 5,377,401.91-8,066,904.51-1,918,872.21

Finding the Fourth Proportional to 5,377,401.91, 8,066,904.51 and 1,918,872.21

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Solution

The fourth proportional to 5,377,401.91, 8,066,904.51 and 1,918,872.21 is: 2,878,594.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377,401.91 : 8,066,904.51 = 1,918,872.21 : x
  2. Step 2: Convert to fraction form
    5,377,401.91/8,066,904.51 = 1,918,872.21/x
  3. Step 3: Cross multiply
    5,377,401.91x = 8,066,904.51 × 1,918,872.21
  4. Step 4: Simplify right side
    5,377,401.91x = 15,479,358,922,409.33
  5. Step 5: Solve for x
    x = 15,479,358,922,409.33/5,377,401.91
  6. Step 6: Final answer
    x = 2,878,594.38

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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.