Finding the Fourth Proportional to 6,518,699.36, 8,995,737.36 and 3,618,115.52
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Solution
The fourth proportional to 6,518,699.36, 8,995,737.36 and 3,618,115.52 is: 4,992,961.81
Step by Step Solution
- Step 1: Write the proportion equation
6,518,699.36 : 8,995,737.36 = 3,618,115.52 : x - Step 2: Convert to fraction form
6,518,699.36/8,995,737.36 = 3,618,115.52/x - Step 3: Cross multiply
6,518,699.36x = 8,995,737.36 × 3,618,115.52 - Step 4: Simplify right side
6,518,699.36x = 32,547,616,956,059.82 - Step 5: Solve for x
x = 32,547,616,956,059.82/6,518,699.36 - Step 6: Final answer
x = 4,992,961.81
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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.