Home / 2,309,310-3,186,946.22-1,290,714.75

Finding the Fourth Proportional to 2,309,310, 3,186,946.22 and 1,290,714.75

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Solution

The fourth proportional to 2,309,310, 3,186,946.22 and 1,290,714.75 is: 1,781,241.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309,310 : 3,186,946.22 = 1,290,714.75 : x
  2. Step 2: Convert to fraction form
    2,309,310/3,186,946.22 = 1,290,714.75/x
  3. Step 3: Cross multiply
    2,309,310x = 3,186,946.22 × 1,290,714.75
  4. Step 4: Simplify right side
    2,309,310x = 4,113,438,487,157.17
  5. Step 5: Solve for x
    x = 4,113,438,487,157.17/2,309,310
  6. Step 6: Final answer
    x = 1,781,241.36

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1.5x scale

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.