Finding the Fourth Proportional to 2,137,544.68, 2,949,811.60 and 1,170,677.24
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Solution
The fourth proportional to 2,137,544.68, 2,949,811.60 and 1,170,677.24 is: 1,615,534.56
Step by Step Solution
- Step 1: Write the proportion equation
2,137,544.68 : 2,949,811.60 = 1,170,677.24 : x - Step 2: Convert to fraction form
2,137,544.68/2,949,811.60 = 1,170,677.24/x - Step 3: Cross multiply
2,137,544.68x = 2,949,811.60 × 1,170,677.24 - Step 4: Simplify right side
2,137,544.68x = 3,453,277,302,407.98 - Step 5: Solve for x
x = 3,453,277,302,407.98/2,137,544.68 - Step 6: Final answer
x = 1,615,534.56
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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.