Home / 1,916,127.30-2,871,748.80-1,017,999.30

Finding the Fourth Proportional to 1,916,127.30, 2,871,748.80 and 1,017,999.30

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Solution

The fourth proportional to 1,916,127.30, 2,871,748.80 and 1,017,999.30 is: 1,525,701.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,127.30 : 2,871,748.80 = 1,017,999.30 : x
  2. Step 2: Convert to fraction form
    1,916,127.30/2,871,748.80 = 1,017,999.30/x
  3. Step 3: Cross multiply
    1,916,127.30x = 2,871,748.80 × 1,017,999.30
  4. Step 4: Simplify right side
    1,916,127.30x = 2,923,438,268,175.84
  5. Step 5: Solve for x
    x = 2,923,438,268,175.84/1,916,127.30
  6. Step 6: Final answer
    x = 1,525,701.49

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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.