Finding the Fourth Proportional to 3,657,789.68, 5,464,437.30 and 2,367,888.88
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Solution
The fourth proportional to 3,657,789.68, 5,464,437.30 and 2,367,888.88 is: 3,537,431.47
Step by Step Solution
- Step 1: Write the proportion equation
3,657,789.68 : 5,464,437.30 = 2,367,888.88 : x - Step 2: Convert to fraction form
3,657,789.68/5,464,437.30 = 2,367,888.88/x - Step 3: Cross multiply
3,657,789.68x = 5,464,437.30 × 2,367,888.88 - Step 4: Simplify right side
3,657,789.68x = 12,939,180,318,127.22 - Step 5: Solve for x
x = 12,939,180,318,127.22/3,657,789.68 - Step 6: Final answer
x = 3,537,431.47
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.