Home / 1,961,076.80-2,939,522.40-1,117,812.80

Finding the Fourth Proportional to 1,961,076.80, 2,939,522.40 and 1,117,812.80

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Solution

The fourth proportional to 1,961,076.80, 2,939,522.40 and 1,117,812.80 is: 1,675,526.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961,076.80 : 2,939,522.40 = 1,117,812.80 : x
  2. Step 2: Convert to fraction form
    1,961,076.80/2,939,522.40 = 1,117,812.80/x
  3. Step 3: Cross multiply
    1,961,076.80x = 2,939,522.40 × 1,117,812.80
  4. Step 4: Simplify right side
    1,961,076.80x = 3,285,835,764,606.72
  5. Step 5: Solve for x
    x = 3,285,835,764,606.72/1,961,076.80
  6. Step 6: Final answer
    x = 1,675,526.31

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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.