Home / 1,886,148.76-2,827,636.18-820,388.13

Finding the Fourth Proportional to 1,886,148.76, 2,827,636.18 and 820,388.13

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Solution

The fourth proportional to 1,886,148.76, 2,827,636.18 and 820,388.13 is: 1,229,891.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886,148.76 : 2,827,636.18 = 820,388.13 : x
  2. Step 2: Convert to fraction form
    1,886,148.76/2,827,636.18 = 820,388.13/x
  3. Step 3: Cross multiply
    1,886,148.76x = 2,827,636.18 × 820,388.13
  4. Step 4: Simplify right side
    1,886,148.76x = 2,319,759,158,030.54
  5. Step 5: Solve for x
    x = 2,319,759,158,030.54/1,886,148.76
  6. Step 6: Final answer
    x = 1,229,891.94

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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.