Home / 2,871,827.78-3,963,122.37-1,582,668.15

Finding the Fourth Proportional to 2,871,827.78, 3,963,122.37 and 1,582,668.15

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Solution

The fourth proportional to 2,871,827.78, 3,963,122.37 and 1,582,668.15 is: 2,184,082.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871,827.78 : 3,963,122.37 = 1,582,668.15 : x
  2. Step 2: Convert to fraction form
    2,871,827.78/3,963,122.37 = 1,582,668.15/x
  3. Step 3: Cross multiply
    2,871,827.78x = 3,963,122.37 × 1,582,668.15
  4. Step 4: Simplify right side
    2,871,827.78x = 6,272,307,541,638.18
  5. Step 5: Solve for x
    x = 6,272,307,541,638.18/2,871,827.78
  6. Step 6: Final answer
    x = 2,184,082.07

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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.