Home / 2,154,576.84-2,973,314.84-1,187,723.25

Finding the Fourth Proportional to 2,154,576.84, 2,973,314.84 and 1,187,723.25

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Solution

The fourth proportional to 2,154,576.84, 2,973,314.84 and 1,187,723.25 is: 1,639,057.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,576.84 : 2,973,314.84 = 1,187,723.25 : x
  2. Step 2: Convert to fraction form
    2,154,576.84/2,973,314.84 = 1,187,723.25/x
  3. Step 3: Cross multiply
    2,154,576.84x = 2,973,314.84 × 1,187,723.25
  4. Step 4: Simplify right side
    2,154,576.84x = 3,531,475,159,099.41
  5. Step 5: Solve for x
    x = 3,531,475,159,099.41/2,154,576.84
  6. Step 6: Final answer
    x = 1,639,057.42

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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.