Home / 1,985,034.69-2,977,847.28-920,184.39

Finding the Fourth Proportional to 1,985,034.69, 2,977,847.28 and 920,184.39

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Solution

The fourth proportional to 1,985,034.69, 2,977,847.28 and 920,184.39 is: 1,380,413.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,034.69 : 2,977,847.28 = 920,184.39 : x
  2. Step 2: Convert to fraction form
    1,985,034.69/2,977,847.28 = 920,184.39/x
  3. Step 3: Cross multiply
    1,985,034.69x = 2,977,847.28 × 920,184.39
  4. Step 4: Simplify right side
    1,985,034.69x = 2,740,168,582,859.96
  5. Step 5: Solve for x
    x = 2,740,168,582,859.96/1,985,034.69
  6. Step 6: Final answer
    x = 1,380,413.45

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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.