Home / 2,425,709.40-3,638,564.10-2,164,435.80

Finding the Fourth Proportional to 2,425,709.40, 3,638,564.10 and 2,164,435.80

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Solution

The fourth proportional to 2,425,709.40, 3,638,564.10 and 2,164,435.80 is: 3,246,653.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425,709.40 : 3,638,564.10 = 2,164,435.80 : x
  2. Step 2: Convert to fraction form
    2,425,709.40/3,638,564.10 = 2,164,435.80/x
  3. Step 3: Cross multiply
    2,425,709.40x = 3,638,564.10 × 2,164,435.80
  4. Step 4: Simplify right side
    2,425,709.40x = 7,875,438,398,634.78
  5. Step 5: Solve for x
    x = 7,875,438,398,634.78/2,425,709.40
  6. Step 6: Final answer
    x = 3,246,653.70

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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.