Home / 2,850,674.54-4,276,428.74-828,655.71

Finding the Fourth Proportional to 2,850,674.54, 4,276,428.74 and 828,655.71

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Solution

The fourth proportional to 2,850,674.54, 4,276,428.74 and 828,655.71 is: 1,243,104.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850,674.54 : 4,276,428.74 = 828,655.71 : x
  2. Step 2: Convert to fraction form
    2,850,674.54/4,276,428.74 = 828,655.71/x
  3. Step 3: Cross multiply
    2,850,674.54x = 4,276,428.74 × 828,655.71
  4. Step 4: Simplify right side
    2,850,674.54x = 3,543,687,093,809.11
  5. Step 5: Solve for x
    x = 3,543,687,093,809.11/2,850,674.54
  6. Step 6: Final answer
    x = 1,243,104.76

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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.