Home / 2,941,628.70-4,412,697.39-811,712.91

Finding the Fourth Proportional to 2,941,628.70, 4,412,697.39 and 811,712.91

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Solution

The fourth proportional to 2,941,628.70, 4,412,697.39 and 811,712.91 is: 1,217,639.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941,628.70 : 4,412,697.39 = 811,712.91 : x
  2. Step 2: Convert to fraction form
    2,941,628.70/4,412,697.39 = 811,712.91/x
  3. Step 3: Cross multiply
    2,941,628.70x = 4,412,697.39 × 811,712.91
  4. Step 4: Simplify right side
    2,941,628.70x = 3,581,843,439,386.31
  5. Step 5: Solve for x
    x = 3,581,843,439,386.31/2,941,628.70
  6. Step 6: Final answer
    x = 1,217,639.55

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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.