Home / 2,143,880.79-2,958,560.64-1,177,073.39

Finding the Fourth Proportional to 2,143,880.79, 2,958,560.64 and 1,177,073.39

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Solution

The fourth proportional to 2,143,880.79, 2,958,560.64 and 1,177,073.39 is: 1,624,364.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143,880.79 : 2,958,560.64 = 1,177,073.39 : x
  2. Step 2: Convert to fraction form
    2,143,880.79/2,958,560.64 = 1,177,073.39/x
  3. Step 3: Cross multiply
    2,143,880.79x = 2,958,560.64 × 1,177,073.39
  4. Step 4: Simplify right side
    2,143,880.79x = 3,482,442,987,252.57
  5. Step 5: Solve for x
    x = 3,482,442,987,252.57/2,143,880.79
  6. Step 6: Final answer
    x = 1,624,364.10

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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.