Finding the Fourth Proportional to 2,248,075.25, 3,102,341.66 and 1,215,580.56
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Solution
The fourth proportional to 2,248,075.25, 3,102,341.66 and 1,215,580.56 is: 1,677,499.99
Step by Step Solution
- Step 1: Write the proportion equation
2,248,075.25 : 3,102,341.66 = 1,215,580.56 : x - Step 2: Convert to fraction form
2,248,075.25/3,102,341.66 = 1,215,580.56/x - Step 3: Cross multiply
2,248,075.25x = 3,102,341.66 × 1,215,580.56 - Step 4: Simplify right side
2,248,075.25x = 3,771,146,212,374.13 - Step 5: Solve for x
x = 3,771,146,212,374.13/2,248,075.25 - Step 6: Final answer
x = 1,677,499.99
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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.