Home / 2,157,081.90-2,976,835.34-1,190,274.46

Finding the Fourth Proportional to 2,157,081.90, 2,976,835.34 and 1,190,274.46

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Solution

The fourth proportional to 2,157,081.90, 2,976,835.34 and 1,190,274.46 is: 1,642,613.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,081.90 : 2,976,835.34 = 1,190,274.46 : x
  2. Step 2: Convert to fraction form
    2,157,081.90/2,976,835.34 = 1,190,274.46/x
  3. Step 3: Cross multiply
    2,157,081.90x = 2,976,835.34 × 1,190,274.46
  4. Step 4: Simplify right side
    2,157,081.90x = 3,543,251,076,827.42
  5. Step 5: Solve for x
    x = 3,543,251,076,827.42/2,157,081.90
  6. Step 6: Final answer
    x = 1,642,613.14

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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.