Home / 2,072,743.70-3,109,115.56-1,470,443.90

Finding the Fourth Proportional to 2,072,743.70, 3,109,115.56 and 1,470,443.90

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Solution

The fourth proportional to 2,072,743.70, 3,109,115.56 and 1,470,443.90 is: 2,205,665.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,743.70 : 3,109,115.56 = 1,470,443.90 : x
  2. Step 2: Convert to fraction form
    2,072,743.70/3,109,115.56 = 1,470,443.90/x
  3. Step 3: Cross multiply
    2,072,743.70x = 3,109,115.56 × 1,470,443.90
  4. Step 4: Simplify right side
    2,072,743.70x = 4,571,780,009,597.08
  5. Step 5: Solve for x
    x = 4,571,780,009,597.08/2,072,743.70
  6. Step 6: Final answer
    x = 2,205,665.86

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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.