Home / 2,871,821.76-4,307,721.12-1,074,840

Finding the Fourth Proportional to 2,871,821.76, 4,307,721.12 and 1,074,840

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Solution

The fourth proportional to 2,871,821.76, 4,307,721.12 and 1,074,840 is: 1,612,255.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871,821.76 : 4,307,721.12 = 1,074,840 : x
  2. Step 2: Convert to fraction form
    2,871,821.76/4,307,721.12 = 1,074,840/x
  3. Step 3: Cross multiply
    2,871,821.76x = 4,307,721.12 × 1,074,840
  4. Step 4: Simplify right side
    2,871,821.76x = 4,630,110,968,620.80
  5. Step 5: Solve for x
    x = 4,630,110,968,620.80/2,871,821.76
  6. Step 6: Final answer
    x = 1,612,255.69

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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.