Home / 3,210,026.22-4,815,057.69-813,876.12

Finding the Fourth Proportional to 3,210,026.22, 4,815,057.69 and 813,876.12

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Solution

The fourth proportional to 3,210,026.22, 4,815,057.69 and 813,876.12 is: 1,220,818.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210,026.22 : 4,815,057.69 = 813,876.12 : x
  2. Step 2: Convert to fraction form
    3,210,026.22/4,815,057.69 = 813,876.12/x
  3. Step 3: Cross multiply
    3,210,026.22x = 4,815,057.69 × 813,876.12
  4. Step 4: Simplify right side
    3,210,026.22x = 3,918,860,470,313.36
  5. Step 5: Solve for x
    x = 3,918,860,470,313.36/3,210,026.22
  6. Step 6: Final answer
    x = 1,220,818.84

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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.