Home / 2,988,323.28-4,123,880.91-1,630,196.28

Finding the Fourth Proportional to 2,988,323.28, 4,123,880.91 and 1,630,196.28

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Solution

The fourth proportional to 2,988,323.28, 4,123,880.91 and 1,630,196.28 is: 2,249,668.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,323.28 : 4,123,880.91 = 1,630,196.28 : x
  2. Step 2: Convert to fraction form
    2,988,323.28/4,123,880.91 = 1,630,196.28/x
  3. Step 3: Cross multiply
    2,988,323.28x = 4,123,880.91 × 1,630,196.28
  4. Step 4: Simplify right side
    2,988,323.28x = 6,722,735,318,645.02
  5. Step 5: Solve for x
    x = 6,722,735,318,645.02/2,988,323.28
  6. Step 6: Final answer
    x = 2,249,668.02

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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.