Finding the Fourth Proportional to 2,916,053.75, 4,024,270.82 and 1,627,006.79
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Solution
The fourth proportional to 2,916,053.75, 4,024,270.82 and 1,627,006.79 is: 2,245,334.45
Step by Step Solution
- Step 1: Write the proportion equation
2,916,053.75 : 4,024,270.82 = 1,627,006.79 : x - Step 2: Convert to fraction form
2,916,053.75/4,024,270.82 = 1,627,006.79/x - Step 3: Cross multiply
2,916,053.75x = 4,024,270.82 × 1,627,006.79 - Step 4: Simplify right side
2,916,053.75x = 6,547,515,948,938.87 - Step 5: Solve for x
x = 6,547,515,948,938.87/2,916,053.75 - Step 6: Final answer
x = 2,245,334.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.