Finding the Fourth Proportional to 1,696,470.54, 2,340,349.08 and 1,503,075.56
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Solution
The fourth proportional to 1,696,470.54, 2,340,349.08 and 1,503,075.56 is: 2,073,552.95
Step by Step Solution
- Step 1: Write the proportion equation
1,696,470.54 : 2,340,349.08 = 1,503,075.56 : x - Step 2: Convert to fraction form
1,696,470.54/2,340,349.08 = 1,503,075.56/x - Step 3: Cross multiply
1,696,470.54x = 2,340,349.08 × 1,503,075.56 - Step 4: Simplify right side
1,696,470.54x = 3,517,721,492,314.74 - Step 5: Solve for x
x = 3,517,721,492,314.74/1,696,470.54 - Step 6: Final answer
x = 2,073,552.95
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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.