Home / 2,191,938.30-3,287,861.37-1,009,986.30

Finding the Fourth Proportional to 2,191,938.30, 3,287,861.37 and 1,009,986.30

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Solution

The fourth proportional to 2,191,938.30, 3,287,861.37 and 1,009,986.30 is: 1,514,958.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,938.30 : 3,287,861.37 = 1,009,986.30 : x
  2. Step 2: Convert to fraction form
    2,191,938.30/3,287,861.37 = 1,009,986.30/x
  3. Step 3: Cross multiply
    2,191,938.30x = 3,287,861.37 × 1,009,986.30
  4. Step 4: Simplify right side
    2,191,938.30x = 3,320,694,939,999.23
  5. Step 5: Solve for x
    x = 3,320,694,939,999.23/2,191,938.30
  6. Step 6: Final answer
    x = 1,514,958.22

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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.