Finding the Fourth Proportional to 5,376,237.96, 7,419,195.40 and 2,928,869.12
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Solution
The fourth proportional to 5,376,237.96, 7,419,195.40 and 2,928,869.12 is: 4,041,832.31
Step by Step Solution
- Step 1: Write the proportion equation
5,376,237.96 : 7,419,195.40 = 2,928,869.12 : x - Step 2: Convert to fraction form
5,376,237.96/7,419,195.40 = 2,928,869.12/x - Step 3: Cross multiply
5,376,237.96x = 7,419,195.40 × 2,928,869.12 - Step 4: Simplify right side
5,376,237.96x = 21,729,852,302,306.05 - Step 5: Solve for x
x = 21,729,852,302,306.05/5,376,237.96 - Step 6: Final answer
x = 4,041,832.31
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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.