Home / 2,319,891.43-3,201,443.07-1,287,554.93

Finding the Fourth Proportional to 2,319,891.43, 3,201,443.07 and 1,287,554.93

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Solution

The fourth proportional to 2,319,891.43, 3,201,443.07 and 1,287,554.93 is: 1,776,821.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319,891.43 : 3,201,443.07 = 1,287,554.93 : x
  2. Step 2: Convert to fraction form
    2,319,891.43/3,201,443.07 = 1,287,554.93/x
  3. Step 3: Cross multiply
    2,319,891.43x = 3,201,443.07 × 1,287,554.93
  4. Step 4: Simplify right side
    2,319,891.43x = 4,122,033,811,068.11
  5. Step 5: Solve for x
    x = 4,122,033,811,068.11/2,319,891.43
  6. Step 6: Final answer
    x = 1,776,821.86

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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.