Home / 2,220,724.56-3,330,588.72-1,021,495.20

Finding the Fourth Proportional to 2,220,724.56, 3,330,588.72 and 1,021,495.20

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Solution

The fourth proportional to 2,220,724.56, 3,330,588.72 and 1,021,495.20 is: 1,532,013.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220,724.56 : 3,330,588.72 = 1,021,495.20 : x
  2. Step 2: Convert to fraction form
    2,220,724.56/3,330,588.72 = 1,021,495.20/x
  3. Step 3: Cross multiply
    2,220,724.56x = 3,330,588.72 × 1,021,495.20
  4. Step 4: Simplify right side
    2,220,724.56x = 3,402,180,390,654.14
  5. Step 5: Solve for x
    x = 3,402,180,390,654.14/2,220,724.56
  6. Step 6: Final answer
    x = 1,532,013.67

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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.