Home / 4,300,442.40-6,450,663.60-1,309,481.76

Finding the Fourth Proportional to 4,300,442.40, 6,450,663.60 and 1,309,481.76

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Solution

The fourth proportional to 4,300,442.40, 6,450,663.60 and 1,309,481.76 is: 1,964,222.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,300,442.40 : 6,450,663.60 = 1,309,481.76 : x
  2. Step 2: Convert to fraction form
    4,300,442.40/6,450,663.60 = 1,309,481.76/x
  3. Step 3: Cross multiply
    4,300,442.40x = 6,450,663.60 × 1,309,481.76
  4. Step 4: Simplify right side
    4,300,442.40x = 8,447,026,324,095.94
  5. Step 5: Solve for x
    x = 8,447,026,324,095.94/4,300,442.40
  6. Step 6: Final answer
    x = 1,964,222.64

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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.