Home / 5,390,933.72-8,088,925.77-2,656,990.76

Finding the Fourth Proportional to 5,390,933.72, 8,088,925.77 and 2,656,990.76

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Solution

The fourth proportional to 5,390,933.72, 8,088,925.77 and 2,656,990.76 is: 3,986,730.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,933.72 : 8,088,925.77 = 2,656,990.76 : x
  2. Step 2: Convert to fraction form
    5,390,933.72/8,088,925.77 = 2,656,990.76/x
  3. Step 3: Cross multiply
    5,390,933.72x = 8,088,925.77 × 2,656,990.76
  4. Step 4: Simplify right side
    5,390,933.72x = 21,492,200,988,771.25
  5. Step 5: Solve for x
    x = 21,492,200,988,771.25/5,390,933.72
  6. Step 6: Final answer
    x = 3,986,730.70

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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.