Home / 1,670,092.28-2,500,802.08-1,431,731.15

Finding the Fourth Proportional to 1,670,092.28, 2,500,802.08 and 1,431,731.15

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Solution

The fourth proportional to 1,670,092.28, 2,500,802.08 and 1,431,731.15 is: 2,143,879.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,092.28 : 2,500,802.08 = 1,431,731.15 : x
  2. Step 2: Convert to fraction form
    1,670,092.28/2,500,802.08 = 1,431,731.15/x
  3. Step 3: Cross multiply
    1,670,092.28x = 2,500,802.08 × 1,431,731.15
  4. Step 4: Simplify right side
    1,670,092.28x = 3,580,476,237,920.79
  5. Step 5: Solve for x
    x = 3,580,476,237,920.79/1,670,092.28
  6. Step 6: Final answer
    x = 2,143,879.28

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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.