Finding the Fourth Proportional to 5,276,948.18, 7,282,190.85 and 2,985,060.02
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Solution
The fourth proportional to 5,276,948.18, 7,282,190.85 and 2,985,060.02 is: 4,119,384.16
Step by Step Solution
- Step 1: Write the proportion equation
5,276,948.18 : 7,282,190.85 = 2,985,060.02 : x - Step 2: Convert to fraction form
5,276,948.18/7,282,190.85 = 2,985,060.02/x - Step 3: Cross multiply
5,276,948.18x = 7,282,190.85 × 2,985,060.02 - Step 4: Simplify right side
5,276,948.18x = 21,737,776,764,344.82 - Step 5: Solve for x
x = 21,737,776,764,344.82/5,276,948.18 - Step 6: Final answer
x = 4,119,384.16
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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.