Home / 2,116,373.88-2,920,513.01-1,256,912.04

Finding the Fourth Proportional to 2,116,373.88, 2,920,513.01 and 1,256,912.04

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Solution

The fourth proportional to 2,116,373.88, 2,920,513.01 and 1,256,912.04 is: 1,734,489.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,373.88 : 2,920,513.01 = 1,256,912.04 : x
  2. Step 2: Convert to fraction form
    2,116,373.88/2,920,513.01 = 1,256,912.04/x
  3. Step 3: Cross multiply
    2,116,373.88x = 2,920,513.01 × 1,256,912.04
  4. Step 4: Simplify right side
    2,116,373.88x = 3,670,827,958,961.08
  5. Step 5: Solve for x
    x = 3,670,827,958,961.08/2,116,373.88
  6. Step 6: Final answer
    x = 1,734,489.35

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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.