Home / 1,627,933.20-2,441,899.80-445,981.20

Finding the Fourth Proportional to 1,627,933.20, 2,441,899.80 and 445,981.20

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Solution

The fourth proportional to 1,627,933.20, 2,441,899.80 and 445,981.20 is: 668,971.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,933.20 : 2,441,899.80 = 445,981.20 : x
  2. Step 2: Convert to fraction form
    1,627,933.20/2,441,899.80 = 445,981.20/x
  3. Step 3: Cross multiply
    1,627,933.20x = 2,441,899.80 × 445,981.20
  4. Step 4: Simplify right side
    1,627,933.20x = 1,089,041,403,083.76
  5. Step 5: Solve for x
    x = 1,089,041,403,083.76/1,627,933.20
  6. Step 6: Final answer
    x = 668,971.80

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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.