Home / 3,178,070.60-4,385,787.30-1,727,771.58

Finding the Fourth Proportional to 3,178,070.60, 4,385,787.30 and 1,727,771.58

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Solution

The fourth proportional to 3,178,070.60, 4,385,787.30 and 1,727,771.58 is: 2,384,351.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,070.60 : 4,385,787.30 = 1,727,771.58 : x
  2. Step 2: Convert to fraction form
    3,178,070.60/4,385,787.30 = 1,727,771.58/x
  3. Step 3: Cross multiply
    3,178,070.60x = 4,385,787.30 × 1,727,771.58
  4. Step 4: Simplify right side
    3,178,070.60x = 7,577,638,652,864.93
  5. Step 5: Solve for x
    x = 7,577,638,652,864.93/3,178,070.60
  6. Step 6: Final answer
    x = 2,384,351.90

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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.