Home / 3,778,331.50-5,668,339.20-1,382,123.08

Finding the Fourth Proportional to 3,778,331.50, 5,668,339.20 and 1,382,123.08

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Solution

The fourth proportional to 3,778,331.50, 5,668,339.20 and 1,382,123.08 is: 2,073,492.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778,331.50 : 5,668,339.20 = 1,382,123.08 : x
  2. Step 2: Convert to fraction form
    3,778,331.50/5,668,339.20 = 1,382,123.08/x
  3. Step 3: Cross multiply
    3,778,331.50x = 5,668,339.20 × 1,382,123.08
  4. Step 4: Simplify right side
    3,778,331.50x = 7,834,342,433,588.74
  5. Step 5: Solve for x
    x = 7,834,342,433,588.74/3,778,331.50
  6. Step 6: Final answer
    x = 2,073,492.61

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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.