Home / 5,656,331.28-7,805,901.42-3,078,178.32

Finding the Fourth Proportional to 5,656,331.28, 7,805,901.42 and 3,078,178.32

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Solution

The fourth proportional to 5,656,331.28, 7,805,901.42 and 3,078,178.32 is: 4,247,975.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,656,331.28 : 7,805,901.42 = 3,078,178.32 : x
  2. Step 2: Convert to fraction form
    5,656,331.28/7,805,901.42 = 3,078,178.32/x
  3. Step 3: Cross multiply
    5,656,331.28x = 7,805,901.42 × 3,078,178.32
  4. Step 4: Simplify right side
    5,656,331.28x = 24,027,956,519,101.21
  5. Step 5: Solve for x
    x = 24,027,956,519,101.21/5,656,331.28
  6. Step 6: Final answer
    x = 4,247,975.47

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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.