Home / 2,788,381.80-4,182,572.70-895,314.60

Finding the Fourth Proportional to 2,788,381.80, 4,182,572.70 and 895,314.60

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Solution

The fourth proportional to 2,788,381.80, 4,182,572.70 and 895,314.60 is: 1,342,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788,381.80 : 4,182,572.70 = 895,314.60 : x
  2. Step 2: Convert to fraction form
    2,788,381.80/4,182,572.70 = 895,314.60/x
  3. Step 3: Cross multiply
    2,788,381.80x = 4,182,572.70 × 895,314.60
  4. Step 4: Simplify right side
    2,788,381.80x = 3,744,718,403,871.42
  5. Step 5: Solve for x
    x = 3,744,718,403,871.42/2,788,381.80
  6. Step 6: Final answer
    x = 1,342,971.90

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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.