Home / 1,600,980.74-2,210,010.72-1,085,440.73

Finding the Fourth Proportional to 1,600,980.74, 2,210,010.72 and 1,085,440.73

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Solution

The fourth proportional to 1,600,980.74, 2,210,010.72 and 1,085,440.73 is: 1,498,353.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,980.74 : 2,210,010.72 = 1,085,440.73 : x
  2. Step 2: Convert to fraction form
    1,600,980.74/2,210,010.72 = 1,085,440.73/x
  3. Step 3: Cross multiply
    1,600,980.74x = 2,210,010.72 × 1,085,440.73
  4. Step 4: Simplify right side
    1,600,980.74x = 2,398,835,649,224.63
  5. Step 5: Solve for x
    x = 2,398,835,649,224.63/1,600,980.74
  6. Step 6: Final answer
    x = 1,498,353.85

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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.