Home / 3,211,584-4,431,985.92-1,780,800

Finding the Fourth Proportional to 3,211,584, 4,431,985.92 and 1,780,800

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Solution

The fourth proportional to 3,211,584, 4,431,985.92 and 1,780,800 is: 2,457,504

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,584 : 4,431,985.92 = 1,780,800 : x
  2. Step 2: Convert to fraction form
    3,211,584/4,431,985.92 = 1,780,800/x
  3. Step 3: Cross multiply
    3,211,584x = 4,431,985.92 × 1,780,800
  4. Step 4: Simplify right side
    3,211,584x = 7,892,480,526,336
  5. Step 5: Solve for x
    x = 7,892,480,526,336/3,211,584
  6. Step 6: Final answer
    x = 2,457,504

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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.