Home / 2,840,578.90-3,919,992.62-1,551,419.34

Finding the Fourth Proportional to 2,840,578.90, 3,919,992.62 and 1,551,419.34

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Solution

The fourth proportional to 2,840,578.90, 3,919,992.62 and 1,551,419.34 is: 2,140,955.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840,578.90 : 3,919,992.62 = 1,551,419.34 : x
  2. Step 2: Convert to fraction form
    2,840,578.90/3,919,992.62 = 1,551,419.34/x
  3. Step 3: Cross multiply
    2,840,578.90x = 3,919,992.62 × 1,551,419.34
  4. Step 4: Simplify right side
    2,840,578.90x = 6,081,552,363,325.27
  5. Step 5: Solve for x
    x = 6,081,552,363,325.27/2,840,578.90
  6. Step 6: Final answer
    x = 2,140,955.27

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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.