Home / 1,688,623.38-2,330,652.11-1,552,441.61

Finding the Fourth Proportional to 1,688,623.38, 2,330,652.11 and 1,552,441.61

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Solution

The fourth proportional to 1,688,623.38, 2,330,652.11 and 1,552,441.61 is: 2,142,692.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,623.38 : 2,330,652.11 = 1,552,441.61 : x
  2. Step 2: Convert to fraction form
    1,688,623.38/2,330,652.11 = 1,552,441.61/x
  3. Step 3: Cross multiply
    1,688,623.38x = 2,330,652.11 × 1,552,441.61
  4. Step 4: Simplify right side
    1,688,623.38x = 3,618,201,312,062.72
  5. Step 5: Solve for x
    x = 3,618,201,312,062.72/1,688,623.38
  6. Step 6: Final answer
    x = 2,142,692.89

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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.