Home / 5,643,043.64-7,787,880.52-3,196,090

Finding the Fourth Proportional to 5,643,043.64, 7,787,880.52 and 3,196,090

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Solution

The fourth proportional to 5,643,043.64, 7,787,880.52 and 3,196,090 is: 4,410,876.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643,043.64 : 7,787,880.52 = 3,196,090 : x
  2. Step 2: Convert to fraction form
    5,643,043.64/7,787,880.52 = 3,196,090/x
  3. Step 3: Cross multiply
    5,643,043.64x = 7,787,880.52 × 3,196,090
  4. Step 4: Simplify right side
    5,643,043.64x = 24,890,767,051,166.80
  5. Step 5: Solve for x
    x = 24,890,767,051,166.80/5,643,043.64
  6. Step 6: Final answer
    x = 4,410,876.23

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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.