Finding the Fourth Proportional to 4,831,858.37, 6,667,422.77 and 2,898,197.57
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Solution
The fourth proportional to 4,831,858.37, 6,667,422.77 and 2,898,197.57 is: 3,999,187.68
Step by Step Solution
- Step 1: Write the proportion equation
4,831,858.37 : 6,667,422.77 = 2,898,197.57 : x - Step 2: Convert to fraction form
4,831,858.37/6,667,422.77 = 2,898,197.57/x - Step 3: Cross multiply
4,831,858.37x = 6,667,422.77 × 2,898,197.57 - Step 4: Simplify right side
4,831,858.37x = 19,323,508,455,685.68 - Step 5: Solve for x
x = 19,323,508,455,685.68/4,831,858.37 - Step 6: Final answer
x = 3,999,187.68
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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.