Home / 1,753,400.10-2,630,100.15-1,438,212.90

Finding the Fourth Proportional to 1,753,400.10, 2,630,100.15 and 1,438,212.90

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Solution

The fourth proportional to 1,753,400.10, 2,630,100.15 and 1,438,212.90 is: 2,157,319.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,400.10 : 2,630,100.15 = 1,438,212.90 : x
  2. Step 2: Convert to fraction form
    1,753,400.10/2,630,100.15 = 1,438,212.90/x
  3. Step 3: Cross multiply
    1,753,400.10x = 2,630,100.15 × 1,438,212.90
  4. Step 4: Simplify right side
    1,753,400.10x = 3,782,643,964,021.93
  5. Step 5: Solve for x
    x = 3,782,643,964,021.93/1,753,400.10
  6. Step 6: Final answer
    x = 2,157,319.35

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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.