Finding the Fourth Proportional to 5,276,948.68, 7,282,191.54 and 2,985,060.52
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Solution
The fourth proportional to 5,276,948.68, 7,282,191.54 and 2,985,060.52 is: 4,119,384.85
Step by Step Solution
- Step 1: Write the proportion equation
5,276,948.68 : 7,282,191.54 = 2,985,060.52 : x - Step 2: Convert to fraction form
5,276,948.68/7,282,191.54 = 2,985,060.52/x - Step 3: Cross multiply
5,276,948.68x = 7,282,191.54 × 2,985,060.52 - Step 4: Simplify right side
5,276,948.68x = 21,737,782,465,132 - Step 5: Solve for x
x = 21,737,782,465,132/5,276,948.68 - Step 6: Final answer
x = 4,119,384.85
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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.