Finding the Fourth Proportional to 7,671,181.49, 10,586,208.79 and 4,233,397.92
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Solution
The fourth proportional to 7,671,181.49, 10,586,208.79 and 4,233,397.92 is: 5,842,077.17
Step by Step Solution
- Step 1: Write the proportion equation
7,671,181.49 : 10,586,208.79 = 4,233,397.92 : x - Step 2: Convert to fraction form
7,671,181.49/10,586,208.79 = 4,233,397.92/x - Step 3: Cross multiply
7,671,181.49x = 10,586,208.79 × 4,233,397.92 - Step 4: Simplify right side
7,671,181.49x = 44,815,634,273,599.74 - Step 5: Solve for x
x = 44,815,634,273,599.74/7,671,181.49 - Step 6: Final answer
x = 5,842,077.17
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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.