Home / 4,031,391.89-5,563,320.78-2,220,555.89

Finding the Fourth Proportional to 4,031,391.89, 5,563,320.78 and 2,220,555.89

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Solution

The fourth proportional to 4,031,391.89, 5,563,320.78 and 2,220,555.89 is: 3,064,367.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,031,391.89 : 5,563,320.78 = 2,220,555.89 : x
  2. Step 2: Convert to fraction form
    4,031,391.89/5,563,320.78 = 2,220,555.89/x
  3. Step 3: Cross multiply
    4,031,391.89x = 5,563,320.78 × 2,220,555.89
  4. Step 4: Simplify right side
    4,031,391.89x = 12,353,664,725,988.39
  5. Step 5: Solve for x
    x = 12,353,664,725,988.39/4,031,391.89
  6. Step 6: Final answer
    x = 3,064,367.11

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.