Finding the Fourth Proportional to 5,363,919.22, 7,402,154.75 and 2,916,530.38
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Solution
The fourth proportional to 5,363,919.22, 7,402,154.75 and 2,916,530.38 is: 4,024,782.69
Step by Step Solution
- Step 1: Write the proportion equation
5,363,919.22 : 7,402,154.75 = 2,916,530.38 : x - Step 2: Convert to fraction form
5,363,919.22/7,402,154.75 = 2,916,530.38/x - Step 3: Cross multiply
5,363,919.22x = 7,402,154.75 × 2,916,530.38 - Step 4: Simplify right side
5,363,919.22x = 21,588,609,205,836.30 - Step 5: Solve for x
x = 21,588,609,205,836.30/5,363,919.22 - Step 6: Final answer
x = 4,024,782.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.