Home / 1,948,162.89-2,688,231.95-1,076,879.88

Finding the Fourth Proportional to 1,948,162.89, 2,688,231.95 and 1,076,879.88

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Solution

The fourth proportional to 1,948,162.89, 2,688,231.95 and 1,076,879.88 is: 1,485,965.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,162.89 : 2,688,231.95 = 1,076,879.88 : x
  2. Step 2: Convert to fraction form
    1,948,162.89/2,688,231.95 = 1,076,879.88/x
  3. Step 3: Cross multiply
    1,948,162.89x = 2,688,231.95 × 1,076,879.88
  4. Step 4: Simplify right side
    1,948,162.89x = 2,894,902,901,064.35
  5. Step 5: Solve for x
    x = 2,894,902,901,064.35/1,948,162.89
  6. Step 6: Final answer
    x = 1,485,965.53

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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.