Finding the Fourth Proportional to 1,921,476.74, 2,879,884.56 and 1,411,307.18
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Solution
The fourth proportional to 1,921,476.74, 2,879,884.56 and 1,411,307.18 is: 2,115,249.00
Step by Step Solution
- Step 1: Write the proportion equation
1,921,476.74 : 2,879,884.56 = 1,411,307.18 : x - Step 2: Convert to fraction form
1,921,476.74/2,879,884.56 = 1,411,307.18/x - Step 3: Cross multiply
1,921,476.74x = 2,879,884.56 × 1,411,307.18 - Step 4: Simplify right side
1,921,476.74x = 4,064,401,757,099.14 - Step 5: Solve for x
x = 4,064,401,757,099.14/1,921,476.74 - Step 6: Final answer
x = 2,115,249.00
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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.