Finding the Fourth Proportional to 1,791,520.84, 2,472,369.06 and 1,017,224.20
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Solution
The fourth proportional to 1,791,520.84, 2,472,369.06 and 1,017,224.20 is: 1,403,809.31
Step by Step Solution
- Step 1: Write the proportion equation
1,791,520.84 : 2,472,369.06 = 1,017,224.20 : x - Step 2: Convert to fraction form
1,791,520.84/2,472,369.06 = 1,017,224.20/x - Step 3: Cross multiply
1,791,520.84x = 2,472,369.06 × 1,017,224.20 - Step 4: Simplify right side
1,791,520.84x = 2,514,953,639,163.25 - Step 5: Solve for x
x = 2,514,953,639,163.25/1,791,520.84 - Step 6: Final answer
x = 1,403,809.31
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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.