Home / 2,114,128.13-2,917,504.47-1,147,258.17

Finding the Fourth Proportional to 2,114,128.13, 2,917,504.47 and 1,147,258.17

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Solution

The fourth proportional to 2,114,128.13, 2,917,504.47 and 1,147,258.17 is: 1,583,220.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114,128.13 : 2,917,504.47 = 1,147,258.17 : x
  2. Step 2: Convert to fraction form
    2,114,128.13/2,917,504.47 = 1,147,258.17/x
  3. Step 3: Cross multiply
    2,114,128.13x = 2,917,504.47 × 1,147,258.17
  4. Step 4: Simplify right side
    2,114,128.13x = 3,347,130,839,418.35
  5. Step 5: Solve for x
    x = 3,347,130,839,418.35/2,114,128.13
  6. Step 6: Final answer
    x = 1,583,220.42

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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.