Home / 3,072,056.50-4,239,429.19-1,695,390.22

Finding the Fourth Proportional to 3,072,056.50, 4,239,429.19 and 1,695,390.22

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Solution

The fourth proportional to 3,072,056.50, 4,239,429.19 and 1,695,390.22 is: 2,339,633.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072,056.50 : 4,239,429.19 = 1,695,390.22 : x
  2. Step 2: Convert to fraction form
    3,072,056.50/4,239,429.19 = 1,695,390.22/x
  3. Step 3: Cross multiply
    3,072,056.50x = 4,239,429.19 × 1,695,390.22
  4. Step 4: Simplify right side
    3,072,056.50x = 7,187,486,787,108.52
  5. Step 5: Solve for x
    x = 7,187,486,787,108.52/3,072,056.50
  6. Step 6: Final answer
    x = 2,339,633.66

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Double scale
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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.