Home / 2,570,430.80-3,851,959.80-1,891,211.60

Finding the Fourth Proportional to 2,570,430.80, 3,851,959.80 and 1,891,211.60

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Solution

The fourth proportional to 2,570,430.80, 3,851,959.80 and 1,891,211.60 is: 2,834,105.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,570,430.80 : 3,851,959.80 = 1,891,211.60 : x
  2. Step 2: Convert to fraction form
    2,570,430.80/3,851,959.80 = 1,891,211.60/x
  3. Step 3: Cross multiply
    2,570,430.80x = 3,851,959.80 × 1,891,211.60
  4. Step 4: Simplify right side
    2,570,430.80x = 7,284,871,056,493.68
  5. Step 5: Solve for x
    x = 7,284,871,056,493.68/2,570,430.80
  6. Step 6: Final answer
    x = 2,834,105.11

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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.