Home / 4,540,389.72-6,810,387.72-1,128,604.14

Finding the Fourth Proportional to 4,540,389.72, 6,810,387.72 and 1,128,604.14

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Solution

The fourth proportional to 4,540,389.72, 6,810,387.72 and 1,128,604.14 is: 1,692,857.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,540,389.72 : 6,810,387.72 = 1,128,604.14 : x
  2. Step 2: Convert to fraction form
    4,540,389.72/6,810,387.72 = 1,128,604.14/x
  3. Step 3: Cross multiply
    4,540,389.72x = 6,810,387.72 × 1,128,604.14
  4. Step 4: Simplify right side
    4,540,389.72x = 7,686,231,775,797.16
  5. Step 5: Solve for x
    x = 7,686,231,775,797.16/4,540,389.72
  6. Step 6: Final answer
    x = 1,692,857.28

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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.