Home / 5,158,683.68-7,111,480.12-3,605,121.90

Finding the Fourth Proportional to 5,158,683.68, 7,111,480.12 and 3,605,121.90

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Solution

The fourth proportional to 5,158,683.68, 7,111,480.12 and 3,605,121.90 is: 4,969,824.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158,683.68 : 7,111,480.12 = 3,605,121.90 : x
  2. Step 2: Convert to fraction form
    5,158,683.68/7,111,480.12 = 3,605,121.90/x
  3. Step 3: Cross multiply
    5,158,683.68x = 7,111,480.12 × 3,605,121.90
  4. Step 4: Simplify right side
    5,158,683.68x = 25,637,752,713,013.82
  5. Step 5: Solve for x
    x = 25,637,752,713,013.82/5,158,683.68
  6. Step 6: Final answer
    x = 4,969,824.54

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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.