Finding the Fourth Proportional to 7,299,530.75, 10,949,918.94 and 1,908,172.53
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Solution
The fourth proportional to 7,299,530.75, 10,949,918.94 and 1,908,172.53 is: 2,862,421.61
Step by Step Solution
- Step 1: Write the proportion equation
7,299,530.75 : 10,949,918.94 = 1,908,172.53 : x - Step 2: Convert to fraction form
7,299,530.75/10,949,918.94 = 1,908,172.53/x - Step 3: Cross multiply
7,299,530.75x = 10,949,918.94 × 1,908,172.53 - Step 4: Simplify right side
7,299,530.75x = 20,894,334,527,034.72 - Step 5: Solve for x
x = 20,894,334,527,034.72/7,299,530.75 - Step 6: Final answer
x = 2,862,421.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.