Finding the Fourth Proportional to 4,153,677.72, 5,732,362.84 and 2,318,493.12
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Solution
The fourth proportional to 4,153,677.72, 5,732,362.84 and 2,318,493.12 is: 3,199,681.03
Step by Step Solution
- Step 1: Write the proportion equation
4,153,677.72 : 5,732,362.84 = 2,318,493.12 : x - Step 2: Convert to fraction form
4,153,677.72/5,732,362.84 = 2,318,493.12/x - Step 3: Cross multiply
4,153,677.72x = 5,732,362.84 × 2,318,493.12 - Step 4: Simplify right side
4,153,677.72x = 13,290,443,805,883.66 - Step 5: Solve for x
x = 13,290,443,805,883.66/4,153,677.72 - Step 6: Final answer
x = 3,199,681.03
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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.