Finding the Fourth Proportional to 5,752,218.10, 7,938,225.84 and 3,174,064.95
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Solution
The fourth proportional to 5,752,218.10, 7,938,225.84 and 3,174,064.95 is: 4,380,300.60
Step by Step Solution
- Step 1: Write the proportion equation
5,752,218.10 : 7,938,225.84 = 3,174,064.95 : x - Step 2: Convert to fraction form
5,752,218.10/7,938,225.84 = 3,174,064.95/x - Step 3: Cross multiply
5,752,218.10x = 7,938,225.84 × 3,174,064.95 - Step 4: Simplify right side
5,752,218.10x = 25,196,444,403,928.31 - Step 5: Solve for x
x = 25,196,444,403,928.31/5,752,218.10 - Step 6: Final answer
x = 4,380,300.60
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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.