Home / 2,931,601.80-4,401,339.30-1,871,344.20

Finding the Fourth Proportional to 2,931,601.80, 4,401,339.30 and 1,871,344.20

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Solution

The fourth proportional to 2,931,601.80, 4,401,339.30 and 1,871,344.20 is: 2,809,529.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,601.80 : 4,401,339.30 = 1,871,344.20 : x
  2. Step 2: Convert to fraction form
    2,931,601.80/4,401,339.30 = 1,871,344.20/x
  3. Step 3: Cross multiply
    2,931,601.80x = 4,401,339.30 × 1,871,344.20
  4. Step 4: Simplify right side
    2,931,601.80x = 8,236,420,771,287.06
  5. Step 5: Solve for x
    x = 8,236,420,771,287.06/2,931,601.80
  6. Step 6: Final answer
    x = 2,809,529.17

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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.