Finding the Fourth Proportional to 5,027,717.95, 6,938,407.58 and 2,852,352.79
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Solution
The fourth proportional to 5,027,717.95, 6,938,407.58 and 2,852,352.79 is: 3,936,335.81
Step by Step Solution
- Step 1: Write the proportion equation
5,027,717.95 : 6,938,407.58 = 2,852,352.79 : x - Step 2: Convert to fraction form
5,027,717.95/6,938,407.58 = 2,852,352.79/x - Step 3: Cross multiply
5,027,717.95x = 6,938,407.58 × 2,852,352.79 - Step 4: Simplify right side
5,027,717.95x = 19,790,786,218,970.15 - Step 5: Solve for x
x = 19,790,786,218,970.15/5,027,717.95 - Step 6: Final answer
x = 3,936,335.81
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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.