Home / 3,115,994.64-4,300,056.21-1,809,567.90

Finding the Fourth Proportional to 3,115,994.64, 4,300,056.21 and 1,809,567.90

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Solution

The fourth proportional to 3,115,994.64, 4,300,056.21 and 1,809,567.90 is: 2,497,194.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,994.64 : 4,300,056.21 = 1,809,567.90 : x
  2. Step 2: Convert to fraction form
    3,115,994.64/4,300,056.21 = 1,809,567.90/x
  3. Step 3: Cross multiply
    3,115,994.64x = 4,300,056.21 × 1,809,567.90
  4. Step 4: Simplify right side
    3,115,994.64x = 7,781,243,685,811.66
  5. Step 5: Solve for x
    x = 7,781,243,685,811.66/3,115,994.64
  6. Step 6: Final answer
    x = 2,497,194.18

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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.