Home / 1,554,907.58-2,145,685.70-857,165.88

Finding the Fourth Proportional to 1,554,907.58, 2,145,685.70 and 857,165.88

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Solution

The fourth proportional to 1,554,907.58, 2,145,685.70 and 857,165.88 is: 1,182,841.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,907.58 : 2,145,685.70 = 857,165.88 : x
  2. Step 2: Convert to fraction form
    1,554,907.58/2,145,685.70 = 857,165.88/x
  3. Step 3: Cross multiply
    1,554,907.58x = 2,145,685.70 × 857,165.88
  4. Step 4: Simplify right side
    1,554,907.58x = 1,839,208,571,243.92
  5. Step 5: Solve for x
    x = 1,839,208,571,243.92/1,554,907.58
  6. Step 6: Final answer
    x = 1,182,841.09

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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.