Home / 2,990,308-4,487,328.24-1,217,380

Finding the Fourth Proportional to 2,990,308, 4,487,328.24 and 1,217,380

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Solution

The fourth proportional to 2,990,308, 4,487,328.24 and 1,217,380 is: 1,826,829.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,308 : 4,487,328.24 = 1,217,380 : x
  2. Step 2: Convert to fraction form
    2,990,308/4,487,328.24 = 1,217,380/x
  3. Step 3: Cross multiply
    2,990,308x = 4,487,328.24 × 1,217,380
  4. Step 4: Simplify right side
    2,990,308x = 5,462,783,652,811.20
  5. Step 5: Solve for x
    x = 5,462,783,652,811.20/2,990,308
  6. Step 6: Final answer
    x = 1,826,829.76

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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.