Home / 1,914,630.30-2,871,945.45-1,728,006.30

Finding the Fourth Proportional to 1,914,630.30, 2,871,945.45 and 1,728,006.30

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Solution

The fourth proportional to 1,914,630.30, 2,871,945.45 and 1,728,006.30 is: 2,592,009.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,630.30 : 2,871,945.45 = 1,728,006.30 : x
  2. Step 2: Convert to fraction form
    1,914,630.30/2,871,945.45 = 1,728,006.30/x
  3. Step 3: Cross multiply
    1,914,630.30x = 2,871,945.45 × 1,728,006.30
  4. Step 4: Simplify right side
    1,914,630.30x = 4,962,739,830,856.34
  5. Step 5: Solve for x
    x = 4,962,739,830,856.34/1,914,630.30
  6. Step 6: Final answer
    x = 2,592,009.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.