Home / 2,570,071.80-3,851,421.30-1,890,852.60

Finding the Fourth Proportional to 2,570,071.80, 3,851,421.30 and 1,890,852.60

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Solution

The fourth proportional to 2,570,071.80, 3,851,421.30 and 1,890,852.60 is: 2,833,566.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,570,071.80 : 3,851,421.30 = 1,890,852.60 : x
  2. Step 2: Convert to fraction form
    2,570,071.80/3,851,421.30 = 1,890,852.60/x
  3. Step 3: Cross multiply
    2,570,071.80x = 3,851,421.30 × 1,890,852.60
  4. Step 4: Simplify right side
    2,570,071.80x = 7,282,469,978,800.38
  5. Step 5: Solve for x
    x = 7,282,469,978,800.38/2,570,071.80
  6. Step 6: Final answer
    x = 2,833,566.74

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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.