Home / 3,107,918.43-4,662,598.83-977,947.20

Finding the Fourth Proportional to 3,107,918.43, 4,662,598.83 and 977,947.20

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Solution

The fourth proportional to 3,107,918.43, 4,662,598.83 and 977,947.20 is: 1,467,147.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107,918.43 : 4,662,598.83 = 977,947.20 : x
  2. Step 2: Convert to fraction form
    3,107,918.43/4,662,598.83 = 977,947.20/x
  3. Step 3: Cross multiply
    3,107,918.43x = 4,662,598.83 × 977,947.20
  4. Step 4: Simplify right side
    3,107,918.43x = 4,559,775,470,521.78
  5. Step 5: Solve for x
    x = 4,559,775,470,521.78/3,107,918.43
  6. Step 6: Final answer
    x = 1,467,147.73

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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.