Home / 5,656,322.28-7,805,889-3,078,169.32

Finding the Fourth Proportional to 5,656,322.28, 7,805,889 and 3,078,169.32

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Solution

The fourth proportional to 5,656,322.28, 7,805,889 and 3,078,169.32 is: 4,247,963.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,656,322.28 : 7,805,889 = 3,078,169.32 : x
  2. Step 2: Convert to fraction form
    5,656,322.28/7,805,889 = 3,078,169.32/x
  3. Step 3: Cross multiply
    5,656,322.28x = 7,805,889 × 3,078,169.32
  4. Step 4: Simplify right side
    5,656,322.28x = 24,027,848,035,125.48
  5. Step 5: Solve for x
    x = 24,027,848,035,125.48/5,656,322.28
  6. Step 6: Final answer
    x = 4,247,963.05

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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.