Home / 2,177,676.09-3,005,177.27-1,210,798.89

Finding the Fourth Proportional to 2,177,676.09, 3,005,177.27 and 1,210,798.89

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Solution

The fourth proportional to 2,177,676.09, 3,005,177.27 and 1,210,798.89 is: 1,670,893.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,676.09 : 3,005,177.27 = 1,210,798.89 : x
  2. Step 2: Convert to fraction form
    2,177,676.09/3,005,177.27 = 1,210,798.89/x
  3. Step 3: Cross multiply
    2,177,676.09x = 3,005,177.27 × 1,210,798.89
  4. Step 4: Simplify right side
    2,177,676.09x = 3,638,665,296,715.24
  5. Step 5: Solve for x
    x = 3,638,665,296,715.24/2,177,676.09
  6. Step 6: Final answer
    x = 1,670,893.72

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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.