Home / 2,019,267.70-3,028,901.55-1,222,106.20

Finding the Fourth Proportional to 2,019,267.70, 3,028,901.55 and 1,222,106.20

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Solution

The fourth proportional to 2,019,267.70, 3,028,901.55 and 1,222,106.20 is: 1,833,159.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,267.70 : 3,028,901.55 = 1,222,106.20 : x
  2. Step 2: Convert to fraction form
    2,019,267.70/3,028,901.55 = 1,222,106.20/x
  3. Step 3: Cross multiply
    2,019,267.70x = 3,028,901.55 × 1,222,106.20
  4. Step 4: Simplify right side
    2,019,267.70x = 3,701,639,363,444.61
  5. Step 5: Solve for x
    x = 3,701,639,363,444.61/2,019,267.70
  6. Step 6: Final answer
    x = 1,833,159.30

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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.