Home / 6,425,412.38-8,867,017.45-3,485,221.93

Finding the Fourth Proportional to 6,425,412.38, 8,867,017.45 and 3,485,221.93

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Solution

The fourth proportional to 6,425,412.38, 8,867,017.45 and 3,485,221.93 is: 4,809,578.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,425,412.38 : 8,867,017.45 = 3,485,221.93 : x
  2. Step 2: Convert to fraction form
    6,425,412.38/8,867,017.45 = 3,485,221.93/x
  3. Step 3: Cross multiply
    6,425,412.38x = 8,867,017.45 × 3,485,221.93
  4. Step 4: Simplify right side
    6,425,412.38x = 30,903,523,685,872.98
  5. Step 5: Solve for x
    x = 30,903,523,685,872.98/6,425,412.38
  6. Step 6: Final answer
    x = 4,809,578.26

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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.