Home / 1,627,705.47-2,441,578.86-1,122,131.19

Finding the Fourth Proportional to 1,627,705.47, 2,441,578.86 and 1,122,131.19

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Solution

The fourth proportional to 1,627,705.47, 2,441,578.86 and 1,122,131.19 is: 1,683,211.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,705.47 : 2,441,578.86 = 1,122,131.19 : x
  2. Step 2: Convert to fraction form
    1,627,705.47/2,441,578.86 = 1,122,131.19/x
  3. Step 3: Cross multiply
    1,627,705.47x = 2,441,578.86 × 1,122,131.19
  4. Step 4: Simplify right side
    1,627,705.47x = 2,739,771,791,650.64
  5. Step 5: Solve for x
    x = 2,739,771,791,650.64/1,627,705.47
  6. Step 6: Final answer
    x = 1,683,211.02

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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.