Home / 2,077,015.30-3,115,522.95-1,178,109.70

Finding the Fourth Proportional to 2,077,015.30, 3,115,522.95 and 1,178,109.70

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Solution

The fourth proportional to 2,077,015.30, 3,115,522.95 and 1,178,109.70 is: 1,767,164.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,015.30 : 3,115,522.95 = 1,178,109.70 : x
  2. Step 2: Convert to fraction form
    2,077,015.30/3,115,522.95 = 1,178,109.70/x
  3. Step 3: Cross multiply
    2,077,015.30x = 3,115,522.95 × 1,178,109.70
  4. Step 4: Simplify right side
    2,077,015.30x = 3,670,427,807,967.62
  5. Step 5: Solve for x
    x = 3,670,427,807,967.62/2,077,015.30
  6. Step 6: Final answer
    x = 1,767,164.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.