Home / 3,038,885.28-4,189,557.84-1,949,265.36

Finding the Fourth Proportional to 3,038,885.28, 4,189,557.84 and 1,949,265.36

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Solution

The fourth proportional to 3,038,885.28, 4,189,557.84 and 1,949,265.36 is: 2,687,353.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038,885.28 : 4,189,557.84 = 1,949,265.36 : x
  2. Step 2: Convert to fraction form
    3,038,885.28/4,189,557.84 = 1,949,265.36/x
  3. Step 3: Cross multiply
    3,038,885.28x = 4,189,557.84 × 1,949,265.36
  4. Step 4: Simplify right side
    3,038,885.28x = 8,166,559,971,228.42
  5. Step 5: Solve for x
    x = 8,166,559,971,228.42/3,038,885.28
  6. Step 6: Final answer
    x = 2,687,353.82

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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.