Finding the Fourth Proportional to 2,574,114.06, 3,552,277.95 and 1,428,191.70
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Solution
The fourth proportional to 2,574,114.06, 3,552,277.95 and 1,428,191.70 is: 1,970,904.85
Step by Step Solution
- Step 1: Write the proportion equation
2,574,114.06 : 3,552,277.95 = 1,428,191.70 : x - Step 2: Convert to fraction form
2,574,114.06/3,552,277.95 = 1,428,191.70/x - Step 3: Cross multiply
2,574,114.06x = 3,552,277.95 × 1,428,191.70 - Step 4: Simplify right side
2,574,114.06x = 5,073,333,884,283.01 - Step 5: Solve for x
x = 5,073,333,884,283.01/2,574,114.06 - Step 6: Final answer
x = 1,970,904.85
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1.5x scale
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.