Home / 4,921,821.72-6,791,099.94-2,828,259.77

Finding the Fourth Proportional to 4,921,821.72, 6,791,099.94 and 2,828,259.77

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Solution

The fourth proportional to 4,921,821.72, 6,791,099.94 and 2,828,259.77 is: 3,902,415.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921,821.72 : 6,791,099.94 = 2,828,259.77 : x
  2. Step 2: Convert to fraction form
    4,921,821.72/6,791,099.94 = 2,828,259.77/x
  3. Step 3: Cross multiply
    4,921,821.72x = 6,791,099.94 × 2,828,259.77
  4. Step 4: Simplify right side
    4,921,821.72x = 19,206,994,720,395.92
  5. Step 5: Solve for x
    x = 19,206,994,720,395.92/4,921,821.72
  6. Step 6: Final answer
    x = 3,902,415.77

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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.