Home / 5,314,153.36-7,972,494.84-1,719,920.32

Finding the Fourth Proportional to 5,314,153.36, 7,972,494.84 and 1,719,920.32

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Solution

The fourth proportional to 5,314,153.36, 7,972,494.84 and 1,719,920.32 is: 2,580,289.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,314,153.36 : 7,972,494.84 = 1,719,920.32 : x
  2. Step 2: Convert to fraction form
    5,314,153.36/7,972,494.84 = 1,719,920.32/x
  3. Step 3: Cross multiply
    5,314,153.36x = 7,972,494.84 × 1,719,920.32
  4. Step 4: Simplify right side
    5,314,153.36x = 13,712,055,876,411.15
  5. Step 5: Solve for x
    x = 13,712,055,876,411.15/5,314,153.36
  6. Step 6: Final answer
    x = 2,580,289.83

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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.