Home / 3,447,885.27-4,758,081.63-1,998,421.45

Finding the Fourth Proportional to 3,447,885.27, 4,758,081.63 and 1,998,421.45

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Solution

The fourth proportional to 3,447,885.27, 4,758,081.63 and 1,998,421.45 is: 2,757,821.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447,885.27 : 4,758,081.63 = 1,998,421.45 : x
  2. Step 2: Convert to fraction form
    3,447,885.27/4,758,081.63 = 1,998,421.45/x
  3. Step 3: Cross multiply
    3,447,885.27x = 4,758,081.63 × 1,998,421.45
  4. Step 4: Simplify right side
    3,447,885.27x = 9,508,652,390,242.96
  5. Step 5: Solve for x
    x = 9,508,652,390,242.96/3,447,885.27
  6. Step 6: Final answer
    x = 2,757,821.58

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1.5x scale

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.