Home / 2,447,977.40-3,378,284.88-1,345,388.79

Finding the Fourth Proportional to 2,447,977.40, 3,378,284.88 and 1,345,388.79

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Solution

The fourth proportional to 2,447,977.40, 3,378,284.88 and 1,345,388.79 is: 1,856,678.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447,977.40 : 3,378,284.88 = 1,345,388.79 : x
  2. Step 2: Convert to fraction form
    2,447,977.40/3,378,284.88 = 1,345,388.79/x
  3. Step 3: Cross multiply
    2,447,977.40x = 3,378,284.88 × 1,345,388.79
  4. Step 4: Simplify right side
    2,447,977.40x = 4,545,106,606,978.50
  5. Step 5: Solve for x
    x = 4,545,106,606,978.50/2,447,977.40
  6. Step 6: Final answer
    x = 1,856,678.34

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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.