Home / 1,948,165.64-2,688,235.74-1,076,882.66

Finding the Fourth Proportional to 1,948,165.64, 2,688,235.74 and 1,076,882.66

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Solution

The fourth proportional to 1,948,165.64, 2,688,235.74 and 1,076,882.66 is: 1,485,969.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,165.64 : 2,688,235.74 = 1,076,882.66 : x
  2. Step 2: Convert to fraction form
    1,948,165.64/2,688,235.74 = 1,076,882.66/x
  3. Step 3: Cross multiply
    1,948,165.64x = 2,688,235.74 × 1,076,882.66
  4. Step 4: Simplify right side
    1,948,165.64x = 2,894,914,454,398.27
  5. Step 5: Solve for x
    x = 2,894,914,454,398.27/1,948,165.64
  6. Step 6: Final answer
    x = 1,485,969.36

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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.