Finding the Fourth Proportional to 4,454,381.40, 6,681,572.10 and 3,110,688.60
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Solution
The fourth proportional to 4,454,381.40, 6,681,572.10 and 3,110,688.60 is: 4,666,032.90
Step by Step Solution
- Step 1: Write the proportion equation
4,454,381.40 : 6,681,572.10 = 3,110,688.60 : x - Step 2: Convert to fraction form
4,454,381.40/6,681,572.10 = 3,110,688.60/x - Step 3: Cross multiply
4,454,381.40x = 6,681,572.10 × 3,110,688.60 - Step 4: Simplify right side
4,454,381.40x = 20,784,290,161,548.06 - Step 5: Solve for x
x = 20,784,290,161,548.06/4,454,381.40 - Step 6: Final answer
x = 4,666,032.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.