Home / 1,688,651.50-2,330,690.91-1,552,469.74

Finding the Fourth Proportional to 1,688,651.50, 2,330,690.91 and 1,552,469.74

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Solution

The fourth proportional to 1,688,651.50, 2,330,690.91 and 1,552,469.74 is: 2,142,731.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,651.50 : 2,330,690.91 = 1,552,469.74 : x
  2. Step 2: Convert to fraction form
    1,688,651.50/2,330,690.91 = 1,552,469.74/x
  3. Step 3: Cross multiply
    1,688,651.50x = 2,330,690.91 × 1,552,469.74
  4. Step 4: Simplify right side
    1,688,651.50x = 3,618,327,121,262.35
  5. Step 5: Solve for x
    x = 3,618,327,121,262.35/1,688,651.50
  6. Step 6: Final answer
    x = 2,142,731.71

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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.