Home / 1,991,001.24-2,986,513.74-495,093.24

Finding the Fourth Proportional to 1,991,001.24, 2,986,513.74 and 495,093.24

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Solution

The fourth proportional to 1,991,001.24, 2,986,513.74 and 495,093.24 is: 742,642.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,001.24 : 2,986,513.74 = 495,093.24 : x
  2. Step 2: Convert to fraction form
    1,991,001.24/2,986,513.74 = 495,093.24/x
  3. Step 3: Cross multiply
    1,991,001.24x = 2,986,513.74 × 495,093.24
  4. Step 4: Simplify right side
    1,991,001.24x = 1,478,602,763,841.12
  5. Step 5: Solve for x
    x = 1,478,602,763,841.12/1,991,001.24
  6. Step 6: Final answer
    x = 742,642.81

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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.