Home / 3,942,303.77-5,440,369.02-2,199,954.59

Finding the Fourth Proportional to 3,942,303.77, 5,440,369.02 and 2,199,954.59

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Solution

The fourth proportional to 3,942,303.77, 5,440,369.02 and 2,199,954.59 is: 3,035,931.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,303.77 : 5,440,369.02 = 2,199,954.59 : x
  2. Step 2: Convert to fraction form
    3,942,303.77/5,440,369.02 = 2,199,954.59/x
  3. Step 3: Cross multiply
    3,942,303.77x = 5,440,369.02 × 2,199,954.59
  4. Step 4: Simplify right side
    3,942,303.77x = 11,968,564,769,640.96
  5. Step 5: Solve for x
    x = 11,968,564,769,640.96/3,942,303.77
  6. Step 6: Final answer
    x = 3,035,931.65

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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.