Finding the Fourth Proportional to 5,739,174.62, 7,920,419.16 and 3,160,854.70
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Solution
The fourth proportional to 5,739,174.62, 7,920,419.16 and 3,160,854.70 is: 4,362,176.76
Step by Step Solution
- Step 1: Write the proportion equation
5,739,174.62 : 7,920,419.16 = 3,160,854.70 : x - Step 2: Convert to fraction form
5,739,174.62/7,920,419.16 = 3,160,854.70/x - Step 3: Cross multiply
5,739,174.62x = 7,920,419.16 × 3,160,854.70 - Step 4: Simplify right side
5,739,174.62x = 25,035,294,127,856.05 - Step 5: Solve for x
x = 25,035,294,127,856.05/5,739,174.62 - Step 6: Final answer
x = 4,362,176.76
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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.