Finding the Fourth Proportional to 3,290,309.70, 4,934,053.02 and 1,131,552.07
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Solution
The fourth proportional to 3,290,309.70, 4,934,053.02 and 1,131,552.07 is: 1,696,842.67
Step by Step Solution
- Step 1: Write the proportion equation
3,290,309.70 : 4,934,053.02 = 1,131,552.07 : x - Step 2: Convert to fraction form
3,290,309.70/4,934,053.02 = 1,131,552.07/x - Step 3: Cross multiply
3,290,309.70x = 4,934,053.02 × 1,131,552.07 - Step 4: Simplify right side
3,290,309.70x = 5,583,137,908,270.75 - Step 5: Solve for x
x = 5,583,137,908,270.75/3,290,309.70 - Step 6: Final answer
x = 1,696,842.67
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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.