Home / 2,190,092.12-3,280,557.54-1,761,312.56

Finding the Fourth Proportional to 2,190,092.12, 3,280,557.54 and 1,761,312.56

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Solution

The fourth proportional to 2,190,092.12, 3,280,557.54 and 1,761,312.56 is: 2,638,285.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,092.12 : 3,280,557.54 = 1,761,312.56 : x
  2. Step 2: Convert to fraction form
    2,190,092.12/3,280,557.54 = 1,761,312.56/x
  3. Step 3: Cross multiply
    2,190,092.12x = 3,280,557.54 × 1,761,312.56
  4. Step 4: Simplify right side
    2,190,092.12x = 5,778,087,199,004.70
  5. Step 5: Solve for x
    x = 5,778,087,199,004.70/2,190,092.12
  6. Step 6: Final answer
    x = 2,638,285.00

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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.