Finding the Fourth Proportional to 2,787,838.08, 3,845,799.72 and 1,821,534
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Solution
The fourth proportional to 2,787,838.08, 3,845,799.72 and 1,821,534 is: 2,512,791.18
Step by Step Solution
- Step 1: Write the proportion equation
2,787,838.08 : 3,845,799.72 = 1,821,534 : x - Step 2: Convert to fraction form
2,787,838.08/3,845,799.72 = 1,821,534/x - Step 3: Cross multiply
2,787,838.08x = 3,845,799.72 × 1,821,534 - Step 4: Simplify right side
2,787,838.08x = 7,005,254,947,170.48 - Step 5: Solve for x
x = 7,005,254,947,170.48/2,787,838.08 - Step 6: Final answer
x = 2,512,791.18
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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.