Home / 2,809,565.89-3,877,200.81-1,520,406.32

Finding the Fourth Proportional to 2,809,565.89, 3,877,200.81 and 1,520,406.32

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Solution

The fourth proportional to 2,809,565.89, 3,877,200.81 and 1,520,406.32 is: 2,098,160.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,565.89 : 3,877,200.81 = 1,520,406.32 : x
  2. Step 2: Convert to fraction form
    2,809,565.89/3,877,200.81 = 1,520,406.32/x
  3. Step 3: Cross multiply
    2,809,565.89x = 3,877,200.81 × 1,520,406.32
  4. Step 4: Simplify right side
    2,809,565.89x = 5,894,920,615,433.12
  5. Step 5: Solve for x
    x = 5,894,920,615,433.12/2,809,565.89
  6. Step 6: Final answer
    x = 2,098,160.66

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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.