Home / 2,185,175.14-3,015,762.16-1,267,684.90

Finding the Fourth Proportional to 2,185,175.14, 3,015,762.16 and 1,267,684.90

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Solution

The fourth proportional to 2,185,175.14, 3,015,762.16 and 1,267,684.90 is: 1,749,533.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,175.14 : 3,015,762.16 = 1,267,684.90 : x
  2. Step 2: Convert to fraction form
    2,185,175.14/3,015,762.16 = 1,267,684.90/x
  3. Step 3: Cross multiply
    2,185,175.14x = 3,015,762.16 × 1,267,684.90
  4. Step 4: Simplify right side
    2,185,175.14x = 3,823,036,152,223.38
  5. Step 5: Solve for x
    x = 3,823,036,152,223.38/2,185,175.14
  6. Step 6: Final answer
    x = 1,749,533.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.