Finding the Fourth Proportional to 4,019,072.54, 5,544,948.40 and 2,490,621.98
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Solution
The fourth proportional to 4,019,072.54, 5,544,948.40 and 2,490,621.98 is: 3,436,208.29
Step by Step Solution
- Step 1: Write the proportion equation
4,019,072.54 : 5,544,948.40 = 2,490,621.98 : x - Step 2: Convert to fraction form
4,019,072.54/5,544,948.40 = 2,490,621.98/x - Step 3: Cross multiply
4,019,072.54x = 5,544,948.40 × 2,490,621.98 - Step 4: Simplify right side
4,019,072.54x = 13,810,370,363,005.83 - Step 5: Solve for x
x = 13,810,370,363,005.83/4,019,072.54 - Step 6: Final answer
x = 3,436,208.29
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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.