Finding the Fourth Proportional to 7,339,158.74, 11,007,882.12 and 1,948,228.04
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Solution
The fourth proportional to 7,339,158.74, 11,007,882.12 and 1,948,228.04 is: 2,922,114.83
Step by Step Solution
- Step 1: Write the proportion equation
7,339,158.74 : 11,007,882.12 = 1,948,228.04 : x - Step 2: Convert to fraction form
7,339,158.74/11,007,882.12 = 1,948,228.04/x - Step 3: Cross multiply
7,339,158.74x = 11,007,882.12 × 1,948,228.04 - Step 4: Simplify right side
7,339,158.74x = 21,445,864,607,198.64 - Step 5: Solve for x
x = 21,445,864,607,198.64/7,339,158.74 - Step 6: Final answer
x = 2,922,114.83
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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.