Home / 4,989,810.30-6,885,655.34-2,814,223.60

Finding the Fourth Proportional to 4,989,810.30, 6,885,655.34 and 2,814,223.60

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Solution

The fourth proportional to 4,989,810.30, 6,885,655.34 and 2,814,223.60 is: 3,883,469.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989,810.30 : 6,885,655.34 = 2,814,223.60 : x
  2. Step 2: Convert to fraction form
    4,989,810.30/6,885,655.34 = 2,814,223.60/x
  3. Step 3: Cross multiply
    4,989,810.30x = 6,885,655.34 × 2,814,223.60
  4. Step 4: Simplify right side
    4,989,810.30x = 19,377,773,769,659.98
  5. Step 5: Solve for x
    x = 19,377,773,769,659.98/4,989,810.30
  6. Step 6: Final answer
    x = 3,883,469.03

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1.5x scale

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.