Finding the Fourth Proportional to 4,831,859.88, 6,667,424.84 and 2,898,199.08
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Solution
The fourth proportional to 4,831,859.88, 6,667,424.84 and 2,898,199.08 is: 3,999,189.76
Step by Step Solution
- Step 1: Write the proportion equation
4,831,859.88 : 6,667,424.84 = 2,898,199.08 : x - Step 2: Convert to fraction form
4,831,859.88/6,667,424.84 = 2,898,199.08/x - Step 3: Cross multiply
4,831,859.88x = 6,667,424.84 × 2,898,199.08 - Step 4: Simplify right side
4,831,859.88x = 19,323,524,537,257.15 - Step 5: Solve for x
x = 19,323,524,537,257.15/4,831,859.88 - Step 6: Final answer
x = 3,999,189.76
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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.