Finding the Fourth Proportional to 5,035,859.10, 6,949,268.25 and 2,860,395.48
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Solution
The fourth proportional to 5,035,859.10, 6,949,268.25 and 2,860,395.48 is: 3,947,222.33
Step by Step Solution
- Step 1: Write the proportion equation
5,035,859.10 : 6,949,268.25 = 2,860,395.48 : x - Step 2: Convert to fraction form
5,035,859.10/6,949,268.25 = 2,860,395.48/x - Step 3: Cross multiply
5,035,859.10x = 6,949,268.25 × 2,860,395.48 - Step 4: Simplify right side
5,035,859.10x = 19,877,655,491,607.51 - Step 5: Solve for x
x = 19,877,655,491,607.51/5,035,859.10 - Step 6: Final answer
x = 3,947,222.33
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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.