Home / 1,906,598.60-2,630,007.75-1,142,209.30

Finding the Fourth Proportional to 1,906,598.60, 2,630,007.75 and 1,142,209.30

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Solution

The fourth proportional to 1,906,598.60, 2,630,007.75 and 1,142,209.30 is: 1,575,590.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,598.60 : 2,630,007.75 = 1,142,209.30 : x
  2. Step 2: Convert to fraction form
    1,906,598.60/2,630,007.75 = 1,142,209.30/x
  3. Step 3: Cross multiply
    1,906,598.60x = 2,630,007.75 × 1,142,209.30
  4. Step 4: Simplify right side
    1,906,598.60x = 3,004,019,311,122.08
  5. Step 5: Solve for x
    x = 3,004,019,311,122.08/1,906,598.60
  6. Step 6: Final answer
    x = 1,575,590.85

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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.