Finding the Fourth Proportional to 4,788,971.12, 6,608,919.12 and 2,613,653.84
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Solution
The fourth proportional to 4,788,971.12, 6,608,919.12 and 2,613,653.84 is: 3,606,918.15
Step by Step Solution
- Step 1: Write the proportion equation
4,788,971.12 : 6,608,919.12 = 2,613,653.84 : x - Step 2: Convert to fraction form
4,788,971.12/6,608,919.12 = 2,613,653.84/x - Step 3: Cross multiply
4,788,971.12x = 6,608,919.12 × 2,613,653.84 - Step 4: Simplify right side
4,788,971.12x = 17,273,426,836,237.42 - Step 5: Solve for x
x = 17,273,426,836,237.42/4,788,971.12 - Step 6: Final answer
x = 3,606,918.15
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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.