Home / 1,947,619.19-2,921,341.13-1,308,192.34

Finding the Fourth Proportional to 1,947,619.19, 2,921,341.13 and 1,308,192.34

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Solution

The fourth proportional to 1,947,619.19, 2,921,341.13 and 1,308,192.34 is: 1,962,229.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,619.19 : 2,921,341.13 = 1,308,192.34 : x
  2. Step 2: Convert to fraction form
    1,947,619.19/2,921,341.13 = 1,308,192.34/x
  3. Step 3: Cross multiply
    1,947,619.19x = 2,921,341.13 × 1,308,192.34
  4. Step 4: Simplify right side
    1,947,619.19x = 3,821,676,088,792.94
  5. Step 5: Solve for x
    x = 3,821,676,088,792.94/1,947,619.19
  6. Step 6: Final answer
    x = 1,962,229.63

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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.