Home / 2,220,800.63-3,332,259.89-1,209,900.28

Finding the Fourth Proportional to 2,220,800.63, 3,332,259.89 and 1,209,900.28

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Solution

The fourth proportional to 2,220,800.63, 3,332,259.89 and 1,209,900.28 is: 1,815,427.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220,800.63 : 3,332,259.89 = 1,209,900.28 : x
  2. Step 2: Convert to fraction form
    2,220,800.63/3,332,259.89 = 1,209,900.28/x
  3. Step 3: Cross multiply
    2,220,800.63x = 3,332,259.89 × 1,209,900.28
  4. Step 4: Simplify right side
    2,220,800.63x = 4,031,702,173,943.77
  5. Step 5: Solve for x
    x = 4,031,702,173,943.77/2,220,800.63
  6. Step 6: Final answer
    x = 1,815,427.34

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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.