Home / 1,974,447.39-2,961,671.09-478,539.39

Finding the Fourth Proportional to 1,974,447.39, 2,961,671.09 and 478,539.39

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Solution

The fourth proportional to 1,974,447.39, 2,961,671.09 and 478,539.39 is: 717,809.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,447.39 : 2,961,671.09 = 478,539.39 : x
  2. Step 2: Convert to fraction form
    1,974,447.39/2,961,671.09 = 478,539.39/x
  3. Step 3: Cross multiply
    1,974,447.39x = 2,961,671.09 × 478,539.39
  4. Step 4: Simplify right side
    1,974,447.39x = 1,417,276,274,396.54
  5. Step 5: Solve for x
    x = 1,417,276,274,396.54/1,974,447.39
  6. Step 6: Final answer
    x = 717,809.09

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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.