Finding the Fourth Proportional to 5,323,069.68, 7,987,766.76 and 1,959,638.64
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Solution
The fourth proportional to 5,323,069.68, 7,987,766.76 and 1,959,638.64 is: 2,940,622.11
Step by Step Solution
- Step 1: Write the proportion equation
5,323,069.68 : 7,987,766.76 = 1,959,638.64 : x - Step 2: Convert to fraction form
5,323,069.68/7,987,766.76 = 1,959,638.64/x - Step 3: Cross multiply
5,323,069.68x = 7,987,766.76 × 1,959,638.64 - Step 4: Simplify right side
5,323,069.68x = 15,653,136,390,203.61 - Step 5: Solve for x
x = 15,653,136,390,203.61/5,323,069.68 - Step 6: Final answer
x = 2,940,622.11
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.