Home / 5,078,960.32-7,009,051.20-2,787,334.40

Finding the Fourth Proportional to 5,078,960.32, 7,009,051.20 and 2,787,334.40

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Solution

The fourth proportional to 5,078,960.32, 7,009,051.20 and 2,787,334.40 is: 3,846,568.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078,960.32 : 7,009,051.20 = 2,787,334.40 : x
  2. Step 2: Convert to fraction form
    5,078,960.32/7,009,051.20 = 2,787,334.40/x
  3. Step 3: Cross multiply
    5,078,960.32x = 7,009,051.20 × 2,787,334.40
  4. Step 4: Simplify right side
    5,078,960.32x = 19,536,569,521,121.28
  5. Step 5: Solve for x
    x = 19,536,569,521,121.28/5,078,960.32
  6. Step 6: Final answer
    x = 3,846,568.65

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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.