Home / 4,431,979.00-6,118,977.48-2,780,390.47

Finding the Fourth Proportional to 4,431,979.00, 6,118,977.48 and 2,780,390.47

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Solution

The fourth proportional to 4,431,979.00, 6,118,977.48 and 2,780,390.47 is: 3,838,724.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431,979.00 : 6,118,977.48 = 2,780,390.47 : x
  2. Step 2: Convert to fraction form
    4,431,979.00/6,118,977.48 = 2,780,390.47/x
  3. Step 3: Cross multiply
    4,431,979.00x = 6,118,977.48 × 2,780,390.47
  4. Step 4: Simplify right side
    4,431,979.00x = 17,013,146,656,239.17
  5. Step 5: Solve for x
    x = 17,013,146,656,239.17/4,431,979.00
  6. Step 6: Final answer
    x = 3,838,724.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.