Home / 1,948,117.86-2,688,169.68-1,076,834.88

Finding the Fourth Proportional to 1,948,117.86, 2,688,169.68 and 1,076,834.88

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Solution

The fourth proportional to 1,948,117.86, 2,688,169.68 and 1,076,834.88 is: 1,485,903.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,117.86 : 2,688,169.68 = 1,076,834.88 : x
  2. Step 2: Convert to fraction form
    1,948,117.86/2,688,169.68 = 1,076,834.88/x
  3. Step 3: Cross multiply
    1,948,117.86x = 2,688,169.68 × 1,076,834.88
  4. Step 4: Simplify right side
    1,948,117.86x = 2,894,714,874,782.44
  5. Step 5: Solve for x
    x = 2,894,714,874,782.44/1,948,117.86
  6. Step 6: Final answer
    x = 1,485,903.36

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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.