Home / 2,570,509.80-3,852,078.30-1,891,290.60

Finding the Fourth Proportional to 2,570,509.80, 3,852,078.30 and 1,891,290.60

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Solution

The fourth proportional to 2,570,509.80, 3,852,078.30 and 1,891,290.60 is: 2,834,223.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,570,509.80 : 3,852,078.30 = 1,891,290.60 : x
  2. Step 2: Convert to fraction form
    2,570,509.80/3,852,078.30 = 1,891,290.60/x
  3. Step 3: Cross multiply
    2,570,509.80x = 3,852,078.30 × 1,891,290.60
  4. Step 4: Simplify right side
    2,570,509.80x = 7,285,399,479,253.98
  5. Step 5: Solve for x
    x = 7,285,399,479,253.98/2,570,509.80
  6. Step 6: Final answer
    x = 2,834,223.58

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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.