Home / 5,078,967.24-7,009,176.88-2,787,209.94

Finding the Fourth Proportional to 5,078,967.24, 7,009,176.88 and 2,787,209.94

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Solution

The fourth proportional to 5,078,967.24, 7,009,176.88 and 2,787,209.94 is: 3,846,460.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078,967.24 : 7,009,176.88 = 2,787,209.94 : x
  2. Step 2: Convert to fraction form
    5,078,967.24/7,009,176.88 = 2,787,209.94/x
  3. Step 3: Cross multiply
    5,078,967.24x = 7,009,176.88 × 2,787,209.94
  4. Step 4: Simplify right side
    5,078,967.24x = 19,536,047,471,154.19
  5. Step 5: Solve for x
    x = 19,536,047,471,154.19/5,078,967.24
  6. Step 6: Final answer
    x = 3,846,460.62

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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.