Home / 4,188,583.40-6,281,031.90-1,663,399.40

Finding the Fourth Proportional to 4,188,583.40, 6,281,031.90 and 1,663,399.40

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Solution

The fourth proportional to 4,188,583.40, 6,281,031.90 and 1,663,399.40 is: 2,494,367.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188,583.40 : 6,281,031.90 = 1,663,399.40 : x
  2. Step 2: Convert to fraction form
    4,188,583.40/6,281,031.90 = 1,663,399.40/x
  3. Step 3: Cross multiply
    4,188,583.40x = 6,281,031.90 × 1,663,399.40
  4. Step 4: Simplify right side
    4,188,583.40x = 10,447,864,693,840.86
  5. Step 5: Solve for x
    x = 10,447,864,693,840.86/4,188,583.40
  6. Step 6: Final answer
    x = 2,494,367.12

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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.