Finding the Fourth Proportional to 1,616,634.09, 2,230,955.19 and 928,351.17
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Solution
The fourth proportional to 1,616,634.09, 2,230,955.19 and 928,351.17 is: 1,281,124.70
Step by Step Solution
- Step 1: Write the proportion equation
1,616,634.09 : 2,230,955.19 = 928,351.17 : x - Step 2: Convert to fraction form
1,616,634.09/2,230,955.19 = 928,351.17/x - Step 3: Cross multiply
1,616,634.09x = 2,230,955.19 × 928,351.17 - Step 4: Simplify right side
1,616,634.09x = 2,071,109,860,854.07 - Step 5: Solve for x
x = 2,071,109,860,854.07/1,616,634.09 - Step 6: Final answer
x = 1,281,124.70
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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.