Finding the Fourth Proportional to 4,552,447.42, 6,285,306.36 and 2,921,557.78
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Solution
The fourth proportional to 4,552,447.42, 6,285,306.36 and 2,921,557.78 is: 4,033,629.39
Step by Step Solution
- Step 1: Write the proportion equation
4,552,447.42 : 6,285,306.36 = 2,921,557.78 : x - Step 2: Convert to fraction form
4,552,447.42/6,285,306.36 = 2,921,557.78/x - Step 3: Cross multiply
4,552,447.42x = 6,285,306.36 × 2,921,557.78 - Step 4: Simplify right side
4,552,447.42x = 18,362,885,695,741.48 - Step 5: Solve for x
x = 18,362,885,695,741.48/4,552,447.42 - Step 6: Final answer
x = 4,033,629.39
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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.