Home / 1,893,412.86-2,840,144.40-631,240.92

Finding the Fourth Proportional to 1,893,412.86, 2,840,144.40 and 631,240.92

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Solution

The fourth proportional to 1,893,412.86, 2,840,144.40 and 631,240.92 is: 946,869.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893,412.86 : 2,840,144.40 = 631,240.92 : x
  2. Step 2: Convert to fraction form
    1,893,412.86/2,840,144.40 = 631,240.92/x
  3. Step 3: Cross multiply
    1,893,412.86x = 2,840,144.40 × 631,240.92
  4. Step 4: Simplify right side
    1,893,412.86x = 1,792,815,363,988.85
  5. Step 5: Solve for x
    x = 1,792,815,363,988.85/1,893,412.86
  6. Step 6: Final answer
    x = 946,869.75

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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.