Home / 1,980,088.74-2,971,382.54-842,849.12

Finding the Fourth Proportional to 1,980,088.74, 2,971,382.54 and 842,849.12

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Solution

The fourth proportional to 1,980,088.74, 2,971,382.54 and 842,849.12 is: 1,264,805.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,088.74 : 2,971,382.54 = 842,849.12 : x
  2. Step 2: Convert to fraction form
    1,980,088.74/2,971,382.54 = 842,849.12/x
  3. Step 3: Cross multiply
    1,980,088.74x = 2,971,382.54 × 842,849.12
  4. Step 4: Simplify right side
    1,980,088.74x = 2,504,427,153,879.56
  5. Step 5: Solve for x
    x = 2,504,427,153,879.56/1,980,088.74
  6. Step 6: Final answer
    x = 1,264,805.51

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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.