Home / 6,190,860.60-9,287,603.10-1,872,556.20

Finding the Fourth Proportional to 6,190,860.60, 9,287,603.10 and 1,872,556.20

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Solution

The fourth proportional to 6,190,860.60, 9,287,603.10 and 1,872,556.20 is: 2,809,231.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,190,860.60 : 9,287,603.10 = 1,872,556.20 : x
  2. Step 2: Convert to fraction form
    6,190,860.60/9,287,603.10 = 1,872,556.20/x
  3. Step 3: Cross multiply
    6,190,860.60x = 9,287,603.10 × 1,872,556.20
  4. Step 4: Simplify right side
    6,190,860.60x = 17,391,558,768,044.22
  5. Step 5: Solve for x
    x = 17,391,558,768,044.22/6,190,860.60
  6. Step 6: Final answer
    x = 2,809,231.20

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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.