Home / 2,378,279.80-3,564,795.30-1,314,085.60

Finding the Fourth Proportional to 2,378,279.80, 3,564,795.30 and 1,314,085.60

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Solution

The fourth proportional to 2,378,279.80, 3,564,795.30 and 1,314,085.60 is: 1,969,678.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,279.80 : 3,564,795.30 = 1,314,085.60 : x
  2. Step 2: Convert to fraction form
    2,378,279.80/3,564,795.30 = 1,314,085.60/x
  3. Step 3: Cross multiply
    2,378,279.80x = 3,564,795.30 × 1,314,085.60
  4. Step 4: Simplify right side
    2,378,279.80x = 4,684,446,170,677.68
  5. Step 5: Solve for x
    x = 4,684,446,170,677.68/2,378,279.80
  6. Step 6: Final answer
    x = 1,969,678.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.