Home / 1,948,115.21-2,688,166.08-1,076,832.23

Finding the Fourth Proportional to 1,948,115.21, 2,688,166.08 and 1,076,832.23

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Solution

The fourth proportional to 1,948,115.21, 2,688,166.08 and 1,076,832.23 is: 1,485,899.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,115.21 : 2,688,166.08 = 1,076,832.23 : x
  2. Step 2: Convert to fraction form
    1,948,115.21/2,688,166.08 = 1,076,832.23/x
  3. Step 3: Cross multiply
    1,948,115.21x = 2,688,166.08 × 1,076,832.23
  4. Step 4: Simplify right side
    1,948,115.21x = 2,894,703,881,257.17
  5. Step 5: Solve for x
    x = 2,894,703,881,257.17/1,948,115.21
  6. Step 6: Final answer
    x = 1,485,899.74

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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.