Home / 2,101,304.90-2,899,941.93-1,171,157.30

Finding the Fourth Proportional to 2,101,304.90, 2,899,941.93 and 1,171,157.30

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Solution

The fourth proportional to 2,101,304.90, 2,899,941.93 and 1,171,157.30 is: 1,616,275.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,304.90 : 2,899,941.93 = 1,171,157.30 : x
  2. Step 2: Convert to fraction form
    2,101,304.90/2,899,941.93 = 1,171,157.30/x
  3. Step 3: Cross multiply
    2,101,304.90x = 2,899,941.93 × 1,171,157.30
  4. Step 4: Simplify right side
    2,101,304.90x = 3,396,288,160,895.59
  5. Step 5: Solve for x
    x = 3,396,288,160,895.59/2,101,304.90
  6. Step 6: Final answer
    x = 1,616,275.75

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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.