Home / 3,133,119.78-4,325,121.71-1,973,270.45

Finding the Fourth Proportional to 3,133,119.78, 4,325,121.71 and 1,973,270.45

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Solution

The fourth proportional to 3,133,119.78, 4,325,121.71 and 1,973,270.45 is: 2,724,005.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133,119.78 : 4,325,121.71 = 1,973,270.45 : x
  2. Step 2: Convert to fraction form
    3,133,119.78/4,325,121.71 = 1,973,270.45/x
  3. Step 3: Cross multiply
    3,133,119.78x = 4,325,121.71 × 1,973,270.45
  4. Step 4: Simplify right side
    3,133,119.78x = 8,534,634,831,504.51
  5. Step 5: Solve for x
    x = 8,534,634,831,504.51/3,133,119.78
  6. Step 6: Final answer
    x = 2,724,005.28

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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.