Home / 2,011,894.62-2,775,928.58-1,276,580.78

Finding the Fourth Proportional to 2,011,894.62, 2,775,928.58 and 1,276,580.78

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Solution

The fourth proportional to 2,011,894.62, 2,775,928.58 and 1,276,580.78 is: 1,761,373.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011,894.62 : 2,775,928.58 = 1,276,580.78 : x
  2. Step 2: Convert to fraction form
    2,011,894.62/2,775,928.58 = 1,276,580.78/x
  3. Step 3: Cross multiply
    2,011,894.62x = 2,775,928.58 × 1,276,580.78
  4. Step 4: Simplify right side
    2,011,894.62x = 3,543,697,071,880.69
  5. Step 5: Solve for x
    x = 3,543,697,071,880.69/2,011,894.62
  6. Step 6: Final answer
    x = 1,761,373.10

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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.