Finding the Fourth Proportional to 4,585,772.44, 6,878,675.04 and 1,390,926.28
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Solution
The fourth proportional to 4,585,772.44, 6,878,675.04 and 1,390,926.28 is: 2,086,394.39
Step by Step Solution
- Step 1: Write the proportion equation
4,585,772.44 : 6,878,675.04 = 1,390,926.28 : x - Step 2: Convert to fraction form
4,585,772.44/6,878,675.04 = 1,390,926.28/x - Step 3: Cross multiply
4,585,772.44x = 6,878,675.04 × 1,390,926.28 - Step 4: Simplify right side
4,585,772.44x = 9,567,729,884,716.05 - Step 5: Solve for x
x = 9,567,729,884,716.05/4,585,772.44 - Step 6: Final answer
x = 2,086,394.39
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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.