Home / 1,938,233.86-2,907,788.28-641,382.93

Finding the Fourth Proportional to 1,938,233.86, 2,907,788.28 and 641,382.93

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Solution

The fourth proportional to 1,938,233.86, 2,907,788.28 and 641,382.93 is: 962,219.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,233.86 : 2,907,788.28 = 641,382.93 : x
  2. Step 2: Convert to fraction form
    1,938,233.86/2,907,788.28 = 641,382.93/x
  3. Step 3: Cross multiply
    1,938,233.86x = 2,907,788.28 × 641,382.93
  4. Step 4: Simplify right side
    1,938,233.86x = 1,865,005,764,440.87
  5. Step 5: Solve for x
    x = 1,865,005,764,440.87/1,938,233.86
  6. Step 6: Final answer
    x = 962,219.17

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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.