Finding the Fourth Proportional to 3,153,278.95, 4,351,523.88 and 1,702,974.70
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Solution
The fourth proportional to 3,153,278.95, 4,351,523.88 and 1,702,974.70 is: 2,350,104.51
Step by Step Solution
- Step 1: Write the proportion equation
3,153,278.95 : 4,351,523.88 = 1,702,974.70 : x - Step 2: Convert to fraction form
3,153,278.95/4,351,523.88 = 1,702,974.70/x - Step 3: Cross multiply
3,153,278.95x = 4,351,523.88 × 1,702,974.70 - Step 4: Simplify right side
3,153,278.95x = 7,410,535,074,085.84 - Step 5: Solve for x
x = 7,410,535,074,085.84/3,153,278.95 - Step 6: Final answer
x = 2,350,104.51
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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.