Home / 3,894,039.50-5,373,661.34-2,151,681.20

Finding the Fourth Proportional to 3,894,039.50, 5,373,661.34 and 2,151,681.20

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Solution

The fourth proportional to 3,894,039.50, 5,373,661.34 and 2,151,681.20 is: 2,969,257.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894,039.50 : 5,373,661.34 = 2,151,681.20 : x
  2. Step 2: Convert to fraction form
    3,894,039.50/5,373,661.34 = 2,151,681.20/x
  3. Step 3: Cross multiply
    3,894,039.50x = 5,373,661.34 × 2,151,681.20
  4. Step 4: Simplify right side
    3,894,039.50x = 11,562,406,080,444.81
  5. Step 5: Solve for x
    x = 11,562,406,080,444.81/3,894,039.50
  6. Step 6: Final answer
    x = 2,969,257.52

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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.