Home / 2,130,901.67-3,196,330.64-1,231,771.30

Finding the Fourth Proportional to 2,130,901.67, 3,196,330.64 and 1,231,771.30

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Solution

The fourth proportional to 2,130,901.67, 3,196,330.64 and 1,231,771.30 is: 1,847,644.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,901.67 : 3,196,330.64 = 1,231,771.30 : x
  2. Step 2: Convert to fraction form
    2,130,901.67/3,196,330.64 = 1,231,771.30/x
  3. Step 3: Cross multiply
    2,130,901.67x = 3,196,330.64 × 1,231,771.30
  4. Step 4: Simplify right side
    2,130,901.67x = 3,937,148,333,512.95
  5. Step 5: Solve for x
    x = 3,937,148,333,512.95/2,130,901.67
  6. Step 6: Final answer
    x = 1,847,644.30

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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.