Home / 2,920,427.48-4,369,983.78-1,722,923.48

Finding the Fourth Proportional to 2,920,427.48, 4,369,983.78 and 1,722,923.48

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Solution

The fourth proportional to 2,920,427.48, 4,369,983.78 and 1,722,923.48 is: 2,578,097.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,427.48 : 4,369,983.78 = 1,722,923.48 : x
  2. Step 2: Convert to fraction form
    2,920,427.48/4,369,983.78 = 1,722,923.48/x
  3. Step 3: Cross multiply
    2,920,427.48x = 4,369,983.78 × 1,722,923.48
  4. Step 4: Simplify right side
    2,920,427.48x = 7,529,147,661,781.15
  5. Step 5: Solve for x
    x = 7,529,147,661,781.15/2,920,427.48
  6. Step 6: Final answer
    x = 2,578,097.80

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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.