Finding the Fourth Proportional to 2,858,686.32, 4,283,998.08 and 1,579,869.68
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Solution
The fourth proportional to 2,858,686.32, 4,283,998.08 and 1,579,869.68 is: 2,367,576.54
Step by Step Solution
- Step 1: Write the proportion equation
2,858,686.32 : 4,283,998.08 = 1,579,869.68 : x - Step 2: Convert to fraction form
2,858,686.32/4,283,998.08 = 1,579,869.68/x - Step 3: Cross multiply
2,858,686.32x = 4,283,998.08 × 1,579,869.68 - Step 4: Simplify right side
2,858,686.32x = 6,768,158,675,770.21 - Step 5: Solve for x
x = 6,768,158,675,770.21/2,858,686.32 - Step 6: Final answer
x = 2,367,576.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.