Home / 2,821,041.76-4,230,664.08-927,346.72

Finding the Fourth Proportional to 2,821,041.76, 4,230,664.08 and 927,346.72

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Solution

The fourth proportional to 2,821,041.76, 4,230,664.08 and 927,346.72 is: 1,390,724.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821,041.76 : 4,230,664.08 = 927,346.72 : x
  2. Step 2: Convert to fraction form
    2,821,041.76/4,230,664.08 = 927,346.72/x
  3. Step 3: Cross multiply
    2,821,041.76x = 4,230,664.08 × 927,346.72
  4. Step 4: Simplify right side
    2,821,041.76x = 3,923,292,458,009.82
  5. Step 5: Solve for x
    x = 3,923,292,458,009.82/2,821,041.76
  6. Step 6: Final answer
    x = 1,390,724.70

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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.