Finding the Fourth Proportional to 5,220,155.35, 7,833,087.13 and 2,025,407.62
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Solution
The fourth proportional to 5,220,155.35, 7,833,087.13 and 2,025,407.62 is: 3,039,218.82
Step by Step Solution
- Step 1: Write the proportion equation
5,220,155.35 : 7,833,087.13 = 2,025,407.62 : x - Step 2: Convert to fraction form
5,220,155.35/7,833,087.13 = 2,025,407.62/x - Step 3: Cross multiply
5,220,155.35x = 7,833,087.13 × 2,025,407.62 - Step 4: Simplify right side
5,220,155.35x = 15,865,194,361,225.93 - Step 5: Solve for x
x = 15,865,194,361,225.93/5,220,155.35 - Step 6: Final answer
x = 3,039,218.82
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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.