Home / 1,947,431.09-2,687,509.73-1,088,085.89

Finding the Fourth Proportional to 1,947,431.09, 2,687,509.73 and 1,088,085.89

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Solution

The fourth proportional to 1,947,431.09, 2,687,509.73 and 1,088,085.89 is: 1,501,589.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,431.09 : 2,687,509.73 = 1,088,085.89 : x
  2. Step 2: Convert to fraction form
    1,947,431.09/2,687,509.73 = 1,088,085.89/x
  3. Step 3: Cross multiply
    1,947,431.09x = 2,687,509.73 × 1,088,085.89
  4. Step 4: Simplify right side
    1,947,431.09x = 2,924,241,416,450.71
  5. Step 5: Solve for x
    x = 2,924,241,416,450.71/1,947,431.09
  6. Step 6: Final answer
    x = 1,501,589.16

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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.