Finding the Fourth Proportional to 1,971,927.68, 2,957,891.52 and 642,231.68
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Solution
The fourth proportional to 1,971,927.68, 2,957,891.52 and 642,231.68 is: 963,347.52
Step by Step Solution
- Step 1: Write the proportion equation
1,971,927.68 : 2,957,891.52 = 642,231.68 : x - Step 2: Convert to fraction form
1,971,927.68/2,957,891.52 = 642,231.68/x - Step 3: Cross multiply
1,971,927.68x = 2,957,891.52 × 642,231.68 - Step 4: Simplify right side
1,971,927.68x = 1,899,651,640,147.35 - Step 5: Solve for x
x = 1,899,651,640,147.35/1,971,927.68 - Step 6: Final answer
x = 963,347.52
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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.