Home / 2,666,721.48-3,680,085.40-1,443,027.02

Finding the Fourth Proportional to 2,666,721.48, 3,680,085.40 and 1,443,027.02

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Solution

The fourth proportional to 2,666,721.48, 3,680,085.40 and 1,443,027.02 is: 1,991,382.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,721.48 : 3,680,085.40 = 1,443,027.02 : x
  2. Step 2: Convert to fraction form
    2,666,721.48/3,680,085.40 = 1,443,027.02/x
  3. Step 3: Cross multiply
    2,666,721.48x = 3,680,085.40 × 1,443,027.02
  4. Step 4: Simplify right side
    2,666,721.48x = 5,310,462,668,107.51
  5. Step 5: Solve for x
    x = 5,310,462,668,107.51/2,666,721.48
  6. Step 6: Final answer
    x = 1,991,382.57

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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.