Home / 2,070,699.39-2,858,967.88-1,296,640.80

Finding the Fourth Proportional to 2,070,699.39, 2,858,967.88 and 1,296,640.80

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Solution

The fourth proportional to 2,070,699.39, 2,858,967.88 and 1,296,640.80 is: 1,790,242.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070,699.39 : 2,858,967.88 = 1,296,640.80 : x
  2. Step 2: Convert to fraction form
    2,070,699.39/2,858,967.88 = 1,296,640.80/x
  3. Step 3: Cross multiply
    2,070,699.39x = 2,858,967.88 × 1,296,640.80
  4. Step 4: Simplify right side
    2,070,699.39x = 3,707,054,395,855.90
  5. Step 5: Solve for x
    x = 3,707,054,395,855.90/2,070,699.39
  6. Step 6: Final answer
    x = 1,790,242.67

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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.