Home / 3,142,885.50-4,336,977.87-1,853,430.30

Finding the Fourth Proportional to 3,142,885.50, 4,336,977.87 and 1,853,430.30

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Solution

The fourth proportional to 3,142,885.50, 4,336,977.87 and 1,853,430.30 is: 2,557,613.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142,885.50 : 4,336,977.87 = 1,853,430.30 : x
  2. Step 2: Convert to fraction form
    3,142,885.50/4,336,977.87 = 1,853,430.30/x
  3. Step 3: Cross multiply
    3,142,885.50x = 4,336,977.87 × 1,853,430.30
  4. Step 4: Simplify right side
    3,142,885.50x = 8,038,286,194,687.46
  5. Step 5: Solve for x
    x = 8,038,286,194,687.46/3,142,885.50
  6. Step 6: Final answer
    x = 2,557,613.44

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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.