Home / 2,122,264.89-2,930,670.81-1,348,145.24

Finding the Fourth Proportional to 2,122,264.89, 2,930,670.81 and 1,348,145.24

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Solution

The fourth proportional to 2,122,264.89, 2,930,670.81 and 1,348,145.24 is: 1,861,676.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122,264.89 : 2,930,670.81 = 1,348,145.24 : x
  2. Step 2: Convert to fraction form
    2,122,264.89/2,930,670.81 = 1,348,145.24/x
  3. Step 3: Cross multiply
    2,122,264.89x = 2,930,670.81 × 1,348,145.24
  4. Step 4: Simplify right side
    2,122,264.89x = 3,950,969,887,855.09
  5. Step 5: Solve for x
    x = 3,950,969,887,855.09/2,122,264.89
  6. Step 6: Final answer
    x = 1,861,676.13

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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.