Finding the Fourth Proportional to 3,125,196.81, 4,711,219.11 and 2,916,876.09
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Solution
The fourth proportional to 3,125,196.81, 4,711,219.11 and 2,916,876.09 is: 4,397,176.63
Step by Step Solution
- Step 1: Write the proportion equation
3,125,196.81 : 4,711,219.11 = 2,916,876.09 : x - Step 2: Convert to fraction form
3,125,196.81/4,711,219.11 = 2,916,876.09/x - Step 3: Cross multiply
3,125,196.81x = 4,711,219.11 × 2,916,876.09 - Step 4: Simplify right side
3,125,196.81x = 13,742,042,376,710.08 - Step 5: Solve for x
x = 13,742,042,376,710.08/3,125,196.81 - Step 6: Final answer
x = 4,397,176.63
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.