Home / 2,871,780.72-3,963,140.45-1,582,704.15

Finding the Fourth Proportional to 2,871,780.72, 3,963,140.45 and 1,582,704.15

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Solution

The fourth proportional to 2,871,780.72, 3,963,140.45 and 1,582,704.15 is: 2,184,177.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871,780.72 : 3,963,140.45 = 1,582,704.15 : x
  2. Step 2: Convert to fraction form
    2,871,780.72/3,963,140.45 = 1,582,704.15/x
  3. Step 3: Cross multiply
    2,871,780.72x = 3,963,140.45 × 1,582,704.15
  4. Step 4: Simplify right side
    2,871,780.72x = 6,272,478,829,334.35
  5. Step 5: Solve for x
    x = 6,272,478,829,334.35/2,871,780.72
  6. Step 6: Final answer
    x = 2,184,177.50

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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.