Home / 1,630,687.90-2,443,079.40-1,394,491.90

Finding the Fourth Proportional to 1,630,687.90, 2,443,079.40 and 1,394,491.90

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Solution

The fourth proportional to 1,630,687.90, 2,443,079.40 and 1,394,491.90 is: 2,089,213.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,687.90 : 2,443,079.40 = 1,394,491.90 : x
  2. Step 2: Convert to fraction form
    1,630,687.90/2,443,079.40 = 1,394,491.90/x
  3. Step 3: Cross multiply
    1,630,687.90x = 2,443,079.40 × 1,394,491.90
  4. Step 4: Simplify right side
    1,630,687.90x = 3,406,854,434,356.86
  5. Step 5: Solve for x
    x = 3,406,854,434,356.86/1,630,687.90
  6. Step 6: Final answer
    x = 2,089,213.05

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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.