Home / 1,948,162.12-2,688,230.90-1,076,879.14

Finding the Fourth Proportional to 1,948,162.12, 2,688,230.90 and 1,076,879.14

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Solution

The fourth proportional to 1,948,162.12, 2,688,230.90 and 1,076,879.14 is: 1,485,964.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,162.12 : 2,688,230.90 = 1,076,879.14 : x
  2. Step 2: Convert to fraction form
    1,948,162.12/2,688,230.90 = 1,076,879.14/x
  3. Step 3: Cross multiply
    1,948,162.12x = 2,688,230.90 × 1,076,879.14
  4. Step 4: Simplify right side
    1,948,162.12x = 2,894,899,779,713.43
  5. Step 5: Solve for x
    x = 2,894,899,779,713.43/1,948,162.12
  6. Step 6: Final answer
    x = 1,485,964.51

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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.