Home / 1,937,019.20-2,672,364.49-1,211,591.30

Finding the Fourth Proportional to 1,937,019.20, 2,672,364.49 and 1,211,591.30

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Solution

The fourth proportional to 1,937,019.20, 2,672,364.49 and 1,211,591.30 is: 1,671,544.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937,019.20 : 2,672,364.49 = 1,211,591.30 : x
  2. Step 2: Convert to fraction form
    1,937,019.20/2,672,364.49 = 1,211,591.30/x
  3. Step 3: Cross multiply
    1,937,019.20x = 2,672,364.49 × 1,211,591.30
  4. Step 4: Simplify right side
    1,937,019.20x = 3,237,813,550,122.14
  5. Step 5: Solve for x
    x = 3,237,813,550,122.14/1,937,019.20
  6. Step 6: Final answer
    x = 1,671,544.38

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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.