Home / 2,077,745.40-3,119,145.30-1,319,585.40

Finding the Fourth Proportional to 2,077,745.40, 3,119,145.30 and 1,319,585.40

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Solution

The fourth proportional to 2,077,745.40, 3,119,145.30 and 1,319,585.40 is: 1,980,983.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,745.40 : 3,119,145.30 = 1,319,585.40 : x
  2. Step 2: Convert to fraction form
    2,077,745.40/3,119,145.30 = 1,319,585.40/x
  3. Step 3: Cross multiply
    2,077,745.40x = 3,119,145.30 × 1,319,585.40
  4. Step 4: Simplify right side
    2,077,745.40x = 4,115,978,598,358.62
  5. Step 5: Solve for x
    x = 4,115,978,598,358.62/2,077,745.40
  6. Step 6: Final answer
    x = 1,980,983.14

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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.