Home / 2,190,892.86-3,023,376.44-1,224,030.42

Finding the Fourth Proportional to 2,190,892.86, 3,023,376.44 and 1,224,030.42

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Solution

The fourth proportional to 2,190,892.86, 3,023,376.44 and 1,224,030.42 is: 1,689,130.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,892.86 : 3,023,376.44 = 1,224,030.42 : x
  2. Step 2: Convert to fraction form
    2,190,892.86/3,023,376.44 = 1,224,030.42/x
  3. Step 3: Cross multiply
    2,190,892.86x = 3,023,376.44 × 1,224,030.42
  4. Step 4: Simplify right side
    2,190,892.86x = 3,700,704,727,551.15
  5. Step 5: Solve for x
    x = 3,700,704,727,551.15/2,190,892.86
  6. Step 6: Final answer
    x = 1,689,130.85

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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.