Home / 3,211,714-4,432,165.32-1,780,930

Finding the Fourth Proportional to 3,211,714, 4,432,165.32 and 1,780,930

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Solution

The fourth proportional to 3,211,714, 4,432,165.32 and 1,780,930 is: 2,457,683.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,714 : 4,432,165.32 = 1,780,930 : x
  2. Step 2: Convert to fraction form
    3,211,714/4,432,165.32 = 1,780,930/x
  3. Step 3: Cross multiply
    3,211,714x = 4,432,165.32 × 1,780,930
  4. Step 4: Simplify right side
    3,211,714x = 7,893,376,183,347.60
  5. Step 5: Solve for x
    x = 7,893,376,183,347.60/3,211,714
  6. Step 6: Final answer
    x = 2,457,683.40

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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.