Home / 2,435,781.40-3,653,672.10-638,661.40

Finding the Fourth Proportional to 2,435,781.40, 3,653,672.10 and 638,661.40

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Solution

The fourth proportional to 2,435,781.40, 3,653,672.10 and 638,661.40 is: 957,992.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,435,781.40 : 3,653,672.10 = 638,661.40 : x
  2. Step 2: Convert to fraction form
    2,435,781.40/3,653,672.10 = 638,661.40/x
  3. Step 3: Cross multiply
    2,435,781.40x = 3,653,672.10 × 638,661.40
  4. Step 4: Simplify right side
    2,435,781.40x = 2,333,459,338,526.94
  5. Step 5: Solve for x
    x = 2,333,459,338,526.94/2,435,781.40
  6. Step 6: Final answer
    x = 957,992.10

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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.