Home / 2,874,486.72-4,307,001.12-2,279,271.36

Finding the Fourth Proportional to 2,874,486.72, 4,307,001.12 and 2,279,271.36

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Solution

The fourth proportional to 2,874,486.72, 4,307,001.12 and 2,279,271.36 is: 3,415,157.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874,486.72 : 4,307,001.12 = 2,279,271.36 : x
  2. Step 2: Convert to fraction form
    2,874,486.72/4,307,001.12 = 2,279,271.36/x
  3. Step 3: Cross multiply
    2,874,486.72x = 4,307,001.12 × 2,279,271.36
  4. Step 4: Simplify right side
    2,874,486.72x = 9,816,824,300,303.92
  5. Step 5: Solve for x
    x = 9,816,824,300,303.92/2,874,486.72
  6. Step 6: Final answer
    x = 3,415,157.30

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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.