Finding the Fourth Proportional to 6,464,625.84, 8,921,318.67 and 3,564,138.96
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Solution
The fourth proportional to 6,464,625.84, 8,921,318.67 and 3,564,138.96 is: 4,918,586.20
Step by Step Solution
- Step 1: Write the proportion equation
6,464,625.84 : 8,921,318.67 = 3,564,138.96 : x - Step 2: Convert to fraction form
6,464,625.84/8,921,318.67 = 3,564,138.96/x - Step 3: Cross multiply
6,464,625.84x = 8,921,318.67 × 3,564,138.96 - Step 4: Simplify right side
6,464,625.84x = 31,796,819,446,322.38 - Step 5: Solve for x
x = 31,796,819,446,322.38/6,464,625.84 - Step 6: Final answer
x = 4,918,586.20
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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.