Home / 3,780,342.81-5,671,082.85-1,220,699.88

Finding the Fourth Proportional to 3,780,342.81, 5,671,082.85 and 1,220,699.88

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Solution

The fourth proportional to 3,780,342.81, 5,671,082.85 and 1,220,699.88 is: 1,831,233.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780,342.81 : 5,671,082.85 = 1,220,699.88 : x
  2. Step 2: Convert to fraction form
    3,780,342.81/5,671,082.85 = 1,220,699.88/x
  3. Step 3: Cross multiply
    3,780,342.81x = 5,671,082.85 × 1,220,699.88
  4. Step 4: Simplify right side
    3,780,342.81x = 6,922,690,168,642.77
  5. Step 5: Solve for x
    x = 6,922,690,168,642.77/3,780,342.81
  6. Step 6: Final answer
    x = 1,831,233.44

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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.