Home / 2,110,291.86-2,911,819.32-1,180,016.40

Finding the Fourth Proportional to 2,110,291.86, 2,911,819.32 and 1,180,016.40

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Solution

The fourth proportional to 2,110,291.86, 2,911,819.32 and 1,180,016.40 is: 1,628,208.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110,291.86 : 2,911,819.32 = 1,180,016.40 : x
  2. Step 2: Convert to fraction form
    2,110,291.86/2,911,819.32 = 1,180,016.40/x
  3. Step 3: Cross multiply
    2,110,291.86x = 2,911,819.32 × 1,180,016.40
  4. Step 4: Simplify right side
    2,110,291.86x = 3,435,994,551,436.85
  5. Step 5: Solve for x
    x = 3,435,994,551,436.85/2,110,291.86
  6. Step 6: Final answer
    x = 1,628,208.22

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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.