Home / 1,630,539.70-2,434,829.89-1,331,613.70

Finding the Fourth Proportional to 1,630,539.70, 2,434,829.89 and 1,331,613.70

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Solution

The fourth proportional to 1,630,539.70, 2,434,829.89 and 1,331,613.70 is: 1,988,453.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,539.70 : 2,434,829.89 = 1,331,613.70 : x
  2. Step 2: Convert to fraction form
    1,630,539.70/2,434,829.89 = 1,331,613.70/x
  3. Step 3: Cross multiply
    1,630,539.70x = 2,434,829.89 × 1,331,613.70
  4. Step 4: Simplify right side
    1,630,539.70x = 3,242,252,838,693.49
  5. Step 5: Solve for x
    x = 3,242,252,838,693.49/1,630,539.70
  6. Step 6: Final answer
    x = 1,988,453.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.