Home / 1,628,101.50-2,246,808.15-902,980.86

Finding the Fourth Proportional to 1,628,101.50, 2,246,808.15 and 902,980.86

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Solution

The fourth proportional to 1,628,101.50, 2,246,808.15 and 902,980.86 is: 1,246,129.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,101.50 : 2,246,808.15 = 902,980.86 : x
  2. Step 2: Convert to fraction form
    1,628,101.50/2,246,808.15 = 902,980.86/x
  3. Step 3: Cross multiply
    1,628,101.50x = 2,246,808.15 × 902,980.86
  4. Step 4: Simplify right side
    1,628,101.50x = 2,028,824,755,542.01
  5. Step 5: Solve for x
    x = 2,028,824,755,542.01/1,628,101.50
  6. Step 6: Final answer
    x = 1,246,129.16

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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.