Home / 2,190,998.80-3,023,277.78-1,224,008.92

Finding the Fourth Proportional to 2,190,998.80, 3,023,277.78 and 1,224,008.92

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Solution

The fourth proportional to 2,190,998.80, 3,023,277.78 and 1,224,008.92 is: 1,688,964.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,998.80 : 3,023,277.78 = 1,224,008.92 : x
  2. Step 2: Convert to fraction form
    2,190,998.80/3,023,277.78 = 1,224,008.92/x
  3. Step 3: Cross multiply
    2,190,998.80x = 3,023,277.78 × 1,224,008.92
  4. Step 4: Simplify right side
    2,190,998.80x = 3,700,518,970,357.80
  5. Step 5: Solve for x
    x = 3,700,518,970,357.80/2,190,998.80
  6. Step 6: Final answer
    x = 1,688,964.40

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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.