Finding the Fourth Proportional to 1,861,841.17, 2,569,323.25 and 1,034,893.07
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Solution
The fourth proportional to 1,861,841.17, 2,569,323.25 and 1,034,893.07 is: 1,428,142.68
Step by Step Solution
- Step 1: Write the proportion equation
1,861,841.17 : 2,569,323.25 = 1,034,893.07 : x - Step 2: Convert to fraction form
1,861,841.17/2,569,323.25 = 1,034,893.07/x - Step 3: Cross multiply
1,861,841.17x = 2,569,323.25 × 1,034,893.07 - Step 4: Simplify right side
1,861,841.17x = 2,658,974,829,165.19 - Step 5: Solve for x
x = 2,658,974,829,165.19/1,861,841.17 - Step 6: Final answer
x = 1,428,142.68
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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.