Home / 2,157,262.34-2,976,934.98-1,190,380.05

Finding the Fourth Proportional to 2,157,262.34, 2,976,934.98 and 1,190,380.05

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Solution

The fourth proportional to 2,157,262.34, 2,976,934.98 and 1,190,380.05 is: 1,642,676.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,262.34 : 2,976,934.98 = 1,190,380.05 : x
  2. Step 2: Convert to fraction form
    2,157,262.34/2,976,934.98 = 1,190,380.05/x
  3. Step 3: Cross multiply
    2,157,262.34x = 2,976,934.98 × 1,190,380.05
  4. Step 4: Simplify right side
    2,157,262.34x = 3,543,684,014,803.08
  5. Step 5: Solve for x
    x = 3,543,684,014,803.08/2,157,262.34
  6. Step 6: Final answer
    x = 1,642,676.44

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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.