Home / 5,778,710-7,974,646.44-3,200,336.72

Finding the Fourth Proportional to 5,778,710, 7,974,646.44 and 3,200,336.72

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Solution

The fourth proportional to 5,778,710, 7,974,646.44 and 3,200,336.72 is: 4,416,479.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778,710 : 7,974,646.44 = 3,200,336.72 : x
  2. Step 2: Convert to fraction form
    5,778,710/7,974,646.44 = 3,200,336.72/x
  3. Step 3: Cross multiply
    5,778,710x = 7,974,646.44 × 3,200,336.72
  4. Step 4: Simplify right side
    5,778,710x = 25,521,553,830,949.28
  5. Step 5: Solve for x
    x = 25,521,553,830,949.28/5,778,710
  6. Step 6: Final answer
    x = 4,416,479.43

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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.