Home / 5,261,070.84-7,891,512.78-1,666,744.36

Finding the Fourth Proportional to 5,261,070.84, 7,891,512.78 and 1,666,744.36

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Solution

The fourth proportional to 5,261,070.84, 7,891,512.78 and 1,666,744.36 is: 2,500,086.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261,070.84 : 7,891,512.78 = 1,666,744.36 : x
  2. Step 2: Convert to fraction form
    5,261,070.84/7,891,512.78 = 1,666,744.36/x
  3. Step 3: Cross multiply
    5,261,070.84x = 7,891,512.78 × 1,666,744.36
  4. Step 4: Simplify right side
    5,261,070.84x = 13,153,134,417,932.92
  5. Step 5: Solve for x
    x = 13,153,134,417,932.92/5,261,070.84
  6. Step 6: Final answer
    x = 2,500,086.92

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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.