Home / 2,078,626.70-2,871,258.90-1,672,259.16

Finding the Fourth Proportional to 2,078,626.70, 2,871,258.90 and 1,672,259.16

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Solution

The fourth proportional to 2,078,626.70, 2,871,258.90 and 1,672,259.16 is: 2,309,933.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,626.70 : 2,871,258.90 = 1,672,259.16 : x
  2. Step 2: Convert to fraction form
    2,078,626.70/2,871,258.90 = 1,672,259.16/x
  3. Step 3: Cross multiply
    2,078,626.70x = 2,871,258.90 × 1,672,259.16
  4. Step 4: Simplify right side
    2,078,626.70x = 4,801,488,996,256.52
  5. Step 5: Solve for x
    x = 4,801,488,996,256.52/2,078,626.70
  6. Step 6: Final answer
    x = 2,309,933.28

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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.