Home / 1,980,173-2,969,783.76-914,190.92

Finding the Fourth Proportional to 1,980,173, 2,969,783.76 and 914,190.92

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Solution

The fourth proportional to 1,980,173, 2,969,783.76 and 914,190.92 is: 1,371,066.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,173 : 2,969,783.76 = 914,190.92 : x
  2. Step 2: Convert to fraction form
    1,980,173/2,969,783.76 = 914,190.92/x
  3. Step 3: Cross multiply
    1,980,173x = 2,969,783.76 × 914,190.92
  4. Step 4: Simplify right side
    1,980,173x = 2,714,949,347,755.46
  5. Step 5: Solve for x
    x = 2,714,949,347,755.46/1,980,173
  6. Step 6: Final answer
    x = 1,371,066.74

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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.