Home / 2,789,533.90-4,185,915.12-1,170,157.66

Finding the Fourth Proportional to 2,789,533.90, 4,185,915.12 and 1,170,157.66

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Solution

The fourth proportional to 2,789,533.90, 4,185,915.12 and 1,170,157.66 is: 1,755,913.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789,533.90 : 4,185,915.12 = 1,170,157.66 : x
  2. Step 2: Convert to fraction form
    2,789,533.90/4,185,915.12 = 1,170,157.66/x
  3. Step 3: Cross multiply
    2,789,533.90x = 4,185,915.12 × 1,170,157.66
  4. Step 4: Simplify right side
    2,789,533.90x = 4,898,180,641,777.82
  5. Step 5: Solve for x
    x = 4,898,180,641,777.82/2,789,533.90
  6. Step 6: Final answer
    x = 1,755,913.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.