Finding the Fourth Proportional to 7,259,841.51, 10,889,687.95 and 1,868,470.98
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Solution
The fourth proportional to 7,259,841.51, 10,889,687.95 and 1,868,470.98 is: 2,802,687.34
Step by Step Solution
- Step 1: Write the proportion equation
7,259,841.51 : 10,889,687.95 = 1,868,470.98 : x - Step 2: Convert to fraction form
7,259,841.51/10,889,687.95 = 1,868,470.98/x - Step 3: Cross multiply
7,259,841.51x = 10,889,687.95 × 1,868,470.98 - Step 4: Simplify right side
7,259,841.51x = 20,347,065,915,830.69 - Step 5: Solve for x
x = 20,347,065,915,830.69/7,259,841.51 - Step 6: Final answer
x = 2,802,687.34
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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.