Home / 3,384,280-4,670,306.40-1,856,390.77

Finding the Fourth Proportional to 3,384,280, 4,670,306.40 and 1,856,390.77

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Solution

The fourth proportional to 3,384,280, 4,670,306.40 and 1,856,390.77 is: 2,561,819.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384,280 : 4,670,306.40 = 1,856,390.77 : x
  2. Step 2: Convert to fraction form
    3,384,280/4,670,306.40 = 1,856,390.77/x
  3. Step 3: Cross multiply
    3,384,280x = 4,670,306.40 × 1,856,390.77
  4. Step 4: Simplify right side
    3,384,280x = 8,669,913,694,031.93
  5. Step 5: Solve for x
    x = 8,669,913,694,031.93/3,384,280
  6. Step 6: Final answer
    x = 2,561,819.26

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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.