Finding the Fourth Proportional to 6,487,560.42, 8,952,471.90 and 3,586,781.94
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Solution
The fourth proportional to 6,487,560.42, 8,952,471.90 and 3,586,781.94 is: 4,949,559.23
Step by Step Solution
- Step 1: Write the proportion equation
6,487,560.42 : 8,952,471.90 = 3,586,781.94 : x - Step 2: Convert to fraction form
6,487,560.42/8,952,471.90 = 3,586,781.94/x - Step 3: Cross multiply
6,487,560.42x = 8,952,471.90 × 3,586,781.94 - Step 4: Simplify right side
6,487,560.42x = 32,110,564,529,277.49 - Step 5: Solve for x
x = 32,110,564,529,277.49/6,487,560.42 - Step 6: Final answer
x = 4,949,559.23
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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.