Home / 4,979,630.76-6,871,823.10-2,804,200.80

Finding the Fourth Proportional to 4,979,630.76, 6,871,823.10 and 2,804,200.80

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Solution

The fourth proportional to 4,979,630.76, 6,871,823.10 and 2,804,200.80 is: 3,869,759.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979,630.76 : 6,871,823.10 = 2,804,200.80 : x
  2. Step 2: Convert to fraction form
    4,979,630.76/6,871,823.10 = 2,804,200.80/x
  3. Step 3: Cross multiply
    4,979,630.76x = 6,871,823.10 × 2,804,200.80
  4. Step 4: Simplify right side
    4,979,630.76x = 19,269,971,834,478.48
  5. Step 5: Solve for x
    x = 19,269,971,834,478.48/4,979,630.76
  6. Step 6: Final answer
    x = 3,869,759.18

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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.