Finding the Fourth Proportional to 1,479,015.62, 2,212,686.24 and 1,120,220.04
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Solution
The fourth proportional to 1,479,015.62, 2,212,686.24 and 1,120,220.04 is: 1,675,908.92
Step by Step Solution
- Step 1: Write the proportion equation
1,479,015.62 : 2,212,686.24 = 1,120,220.04 : x - Step 2: Convert to fraction form
1,479,015.62/2,212,686.24 = 1,120,220.04/x - Step 3: Cross multiply
1,479,015.62x = 2,212,686.24 × 1,120,220.04 - Step 4: Simplify right side
1,479,015.62x = 2,478,695,468,280.25 - Step 5: Solve for x
x = 2,478,695,468,280.25/1,479,015.62 - Step 6: Final answer
x = 1,675,908.92
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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.