Finding the Fourth Proportional to 2,010,615.18, 2,775,985.11 and 1,544,639.17
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Solution
The fourth proportional to 2,010,615.18, 2,775,985.11 and 1,544,639.17 is: 2,132,628.55
Step by Step Solution
- Step 1: Write the proportion equation
2,010,615.18 : 2,775,985.11 = 1,544,639.17 : x - Step 2: Convert to fraction form
2,010,615.18/2,775,985.11 = 1,544,639.17/x - Step 3: Cross multiply
2,010,615.18x = 2,775,985.11 × 1,544,639.17 - Step 4: Simplify right side
2,010,615.18x = 4,287,895,329,302.80 - Step 5: Solve for x
x = 4,287,895,329,302.80/2,010,615.18 - Step 6: Final answer
x = 2,132,628.55
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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.