Home / 2,128,117.40-3,192,176.10-2,093,125.40

Finding the Fourth Proportional to 2,128,117.40, 3,192,176.10 and 2,093,125.40

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Solution

The fourth proportional to 2,128,117.40, 3,192,176.10 and 2,093,125.40 is: 3,139,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,117.40 : 3,192,176.10 = 2,093,125.40 : x
  2. Step 2: Convert to fraction form
    2,128,117.40/3,192,176.10 = 2,093,125.40/x
  3. Step 3: Cross multiply
    2,128,117.40x = 3,192,176.10 × 2,093,125.40
  4. Step 4: Simplify right side
    2,128,117.40x = 6,681,624,876,182.94
  5. Step 5: Solve for x
    x = 6,681,624,876,182.94/2,128,117.40
  6. Step 6: Final answer
    x = 3,139,688.10

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Similar ratio
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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.