Finding the Fourth Proportional to 4,811,869.05, 6,638,153.39 and 4,261,146
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Solution
The fourth proportional to 4,811,869.05, 6,638,153.39 and 4,261,146 is: 5,878,410.34
Step by Step Solution
- Step 1: Write the proportion equation
4,811,869.05 : 6,638,153.39 = 4,261,146 : x - Step 2: Convert to fraction form
4,811,869.05/6,638,153.39 = 4,261,146/x - Step 3: Cross multiply
4,811,869.05x = 6,638,153.39 × 4,261,146 - Step 4: Simplify right side
4,811,869.05x = 28,286,140,765,184.94 - Step 5: Solve for x
x = 28,286,140,765,184.94/4,811,869.05 - Step 6: Final answer
x = 5,878,410.34
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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.