Home / 3,416,905.95-4,715,428.62-1,889,111.49

Finding the Fourth Proportional to 3,416,905.95, 4,715,428.62 and 1,889,111.49

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Solution

The fourth proportional to 3,416,905.95, 4,715,428.62 and 1,889,111.49 is: 2,607,028.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416,905.95 : 4,715,428.62 = 1,889,111.49 : x
  2. Step 2: Convert to fraction form
    3,416,905.95/4,715,428.62 = 1,889,111.49/x
  3. Step 3: Cross multiply
    3,416,905.95x = 4,715,428.62 × 1,889,111.49
  4. Step 4: Simplify right side
    3,416,905.95x = 8,907,970,386,316.84
  5. Step 5: Solve for x
    x = 8,907,970,386,316.84/3,416,905.95
  6. Step 6: Final answer
    x = 2,607,028.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.