Finding the Fourth Proportional to 5,661,936.71, 7,813,562.55 and 3,214,497.82
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Solution
The fourth proportional to 5,661,936.71, 7,813,562.55 and 3,214,497.82 is: 4,436,058.02
Step by Step Solution
- Step 1: Write the proportion equation
5,661,936.71 : 7,813,562.55 = 3,214,497.82 : x - Step 2: Convert to fraction form
5,661,936.71/7,813,562.55 = 3,214,497.82/x - Step 3: Cross multiply
5,661,936.71x = 7,813,562.55 × 3,214,497.82 - Step 4: Simplify right side
5,661,936.71x = 25,116,679,749,015.38 - Step 5: Solve for x
x = 25,116,679,749,015.38/5,661,936.71 - Step 6: Final answer
x = 4,436,058.02
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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.