Home / 2,779,811.21-4,172,413.28-1,341,506.85

Finding the Fourth Proportional to 2,779,811.21, 4,172,413.28 and 1,341,506.85

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Solution

The fourth proportional to 2,779,811.21, 4,172,413.28 and 1,341,506.85 is: 2,013,561.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779,811.21 : 4,172,413.28 = 1,341,506.85 : x
  2. Step 2: Convert to fraction form
    2,779,811.21/4,172,413.28 = 1,341,506.85/x
  3. Step 3: Cross multiply
    2,779,811.21x = 4,172,413.28 × 1,341,506.85
  4. Step 4: Simplify right side
    2,779,811.21x = 5,597,320,989,443.43
  5. Step 5: Solve for x
    x = 5,597,320,989,443.43/2,779,811.21
  6. Step 6: Final answer
    x = 2,013,561.56

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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.