Home / 5,400,874.50-8,102,117.30-1,988,898.74

Finding the Fourth Proportional to 5,400,874.50, 8,102,117.30 and 1,988,898.74

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Solution

The fourth proportional to 5,400,874.50, 8,102,117.30 and 1,988,898.74 is: 2,983,644.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400,874.50 : 8,102,117.30 = 1,988,898.74 : x
  2. Step 2: Convert to fraction form
    5,400,874.50/8,102,117.30 = 1,988,898.74/x
  3. Step 3: Cross multiply
    5,400,874.50x = 8,102,117.30 × 1,988,898.74
  4. Step 4: Simplify right side
    5,400,874.50x = 16,114,290,889,302.20
  5. Step 5: Solve for x
    x = 16,114,290,889,302.20/5,400,874.50
  6. Step 6: Final answer
    x = 2,983,644.76

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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.