Home / 2,581,361.60-3,872,040-784,237.76

Finding the Fourth Proportional to 2,581,361.60, 3,872,040 and 784,237.76

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Solution

The fourth proportional to 2,581,361.60, 3,872,040 and 784,237.76 is: 1,176,355.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581,361.60 : 3,872,040 = 784,237.76 : x
  2. Step 2: Convert to fraction form
    2,581,361.60/3,872,040 = 784,237.76/x
  3. Step 3: Cross multiply
    2,581,361.60x = 3,872,040 × 784,237.76
  4. Step 4: Simplify right side
    2,581,361.60x = 3,036,599,976,230.40
  5. Step 5: Solve for x
    x = 3,036,599,976,230.40/2,581,361.60
  6. Step 6: Final answer
    x = 1,176,355.91

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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.