Home / 2,116,576.17-2,920,880.66-1,149,698.61

Finding the Fourth Proportional to 2,116,576.17, 2,920,880.66 and 1,149,698.61

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Solution

The fourth proportional to 2,116,576.17, 2,920,880.66 and 1,149,698.61 is: 1,586,587.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,576.17 : 2,920,880.66 = 1,149,698.61 : x
  2. Step 2: Convert to fraction form
    2,116,576.17/2,920,880.66 = 1,149,698.61/x
  3. Step 3: Cross multiply
    2,116,576.17x = 2,920,880.66 × 1,149,698.61
  4. Step 4: Simplify right side
    2,116,576.17x = 3,358,132,429,029.39
  5. Step 5: Solve for x
    x = 3,358,132,429,029.39/2,116,576.17
  6. Step 6: Final answer
    x = 1,586,587.09

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1.5x scale

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.