Home / 2,871,747-3,963,011.57-1,564,999.43

Finding the Fourth Proportional to 2,871,747, 3,963,011.57 and 1,564,999.43

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Solution

The fourth proportional to 2,871,747, 3,963,011.57 and 1,564,999.43 is: 2,159,699.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871,747 : 3,963,011.57 = 1,564,999.43 : x
  2. Step 2: Convert to fraction form
    2,871,747/3,963,011.57 = 1,564,999.43/x
  3. Step 3: Cross multiply
    2,871,747x = 3,963,011.57 × 1,564,999.43
  4. Step 4: Simplify right side
    2,871,747x = 6,202,110,820,493.35
  5. Step 5: Solve for x
    x = 6,202,110,820,493.35/2,871,747
  6. Step 6: Final answer
    x = 2,159,699.59

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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.