Home / 4,743,009.20-7,114,513.80-1,377,556.40

Finding the Fourth Proportional to 4,743,009.20, 7,114,513.80 and 1,377,556.40

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Solution

The fourth proportional to 4,743,009.20, 7,114,513.80 and 1,377,556.40 is: 2,066,334.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743,009.20 : 7,114,513.80 = 1,377,556.40 : x
  2. Step 2: Convert to fraction form
    4,743,009.20/7,114,513.80 = 1,377,556.40/x
  3. Step 3: Cross multiply
    4,743,009.20x = 7,114,513.80 × 1,377,556.40
  4. Step 4: Simplify right side
    4,743,009.20x = 9,800,644,018,078.32
  5. Step 5: Solve for x
    x = 9,800,644,018,078.32/4,743,009.20
  6. Step 6: Final answer
    x = 2,066,334.60

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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.