Finding the Fourth Proportional to 3,019,707.57, 4,528,161.66 and 1,125,940.53
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Solution
The fourth proportional to 3,019,707.57, 4,528,161.66 and 1,125,940.53 is: 1,688,388.90
Step by Step Solution
- Step 1: Write the proportion equation
3,019,707.57 : 4,528,161.66 = 1,125,940.53 : x - Step 2: Convert to fraction form
3,019,707.57/4,528,161.66 = 1,125,940.53/x - Step 3: Cross multiply
3,019,707.57x = 4,528,161.66 × 1,125,940.53 - Step 4: Simplify right side
3,019,707.57x = 5,098,440,739,386.08 - Step 5: Solve for x
x = 5,098,440,739,386.08/3,019,707.57 - Step 6: Final answer
x = 1,688,388.90
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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.