Home / 1,886,146.26-2,827,632.44-820,385.62

Finding the Fourth Proportional to 1,886,146.26, 2,827,632.44 and 820,385.62

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Solution

The fourth proportional to 1,886,146.26, 2,827,632.44 and 820,385.62 is: 1,229,888.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886,146.26 : 2,827,632.44 = 820,385.62 : x
  2. Step 2: Convert to fraction form
    1,886,146.26/2,827,632.44 = 820,385.62/x
  3. Step 3: Cross multiply
    1,886,146.26x = 2,827,632.44 × 820,385.62
  4. Step 4: Simplify right side
    1,886,146.26x = 2,319,748,987,403.40
  5. Step 5: Solve for x
    x = 2,319,748,987,403.40/1,886,146.26
  6. Step 6: Final answer
    x = 1,229,888.18

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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.