Home / 2,078,238.20-3,119,690.10-1,607,012.60

Finding the Fourth Proportional to 2,078,238.20, 3,119,690.10 and 1,607,012.60

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Solution

The fourth proportional to 2,078,238.20, 3,119,690.10 and 1,607,012.60 is: 2,412,322.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,238.20 : 3,119,690.10 = 1,607,012.60 : x
  2. Step 2: Convert to fraction form
    2,078,238.20/3,119,690.10 = 1,607,012.60/x
  3. Step 3: Cross multiply
    2,078,238.20x = 3,119,690.10 × 1,607,012.60
  4. Step 4: Simplify right side
    2,078,238.20x = 5,013,381,298,795.26
  5. Step 5: Solve for x
    x = 5,013,381,298,795.26/2,078,238.20
  6. Step 6: Final answer
    x = 2,412,322.75

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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.