Finding the Fourth Proportional to 5,348,728.65, 8,023,092.98 and 1,982,239.05
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Solution
The fourth proportional to 5,348,728.65, 8,023,092.98 and 1,982,239.05 is: 2,973,358.58
Step by Step Solution
- Step 1: Write the proportion equation
5,348,728.65 : 8,023,092.98 = 1,982,239.05 : x - Step 2: Convert to fraction form
5,348,728.65/8,023,092.98 = 1,982,239.05/x - Step 3: Cross multiply
5,348,728.65x = 8,023,092.98 × 1,982,239.05 - Step 4: Simplify right side
5,348,728.65x = 15,903,688,196,825.67 - Step 5: Solve for x
x = 15,903,688,196,825.67/5,348,728.65 - Step 6: Final answer
x = 2,973,358.58
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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.