Home / 2,810,900.88-3,879,042.36-1,521,740.40

Finding the Fourth Proportional to 2,810,900.88, 3,879,042.36 and 1,521,740.40

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Solution

The fourth proportional to 2,810,900.88, 3,879,042.36 and 1,521,740.40 is: 2,100,001.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,900.88 : 3,879,042.36 = 1,521,740.40 : x
  2. Step 2: Convert to fraction form
    2,810,900.88/3,879,042.36 = 1,521,740.40/x
  3. Step 3: Cross multiply
    2,810,900.88x = 3,879,042.36 × 1,521,740.40
  4. Step 4: Simplify right side
    2,810,900.88x = 5,902,895,472,523.34
  5. Step 5: Solve for x
    x = 5,902,895,472,523.34/2,810,900.88
  6. Step 6: Final answer
    x = 2,100,001.29

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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.