Home / 1,948,162.64-2,688,231.60-1,076,879.66

Finding the Fourth Proportional to 1,948,162.64, 2,688,231.60 and 1,076,879.66

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Solution

The fourth proportional to 1,948,162.64, 2,688,231.60 and 1,076,879.66 is: 1,485,965.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,162.64 : 2,688,231.60 = 1,076,879.66 : x
  2. Step 2: Convert to fraction form
    1,948,162.64/2,688,231.60 = 1,076,879.66/x
  3. Step 3: Cross multiply
    1,948,162.64x = 2,688,231.60 × 1,076,879.66
  4. Step 4: Simplify right side
    1,948,162.64x = 2,894,901,917,968.10
  5. Step 5: Solve for x
    x = 2,894,901,917,968.10/1,948,162.64
  6. Step 6: Final answer
    x = 1,485,965.22

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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.