Finding the Fourth Proportional to 3,557,889.68, 4,909,926.36 and 1,926,331.04
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Solution
The fourth proportional to 3,557,889.68, 4,909,926.36 and 1,926,331.04 is: 2,658,357.74
Step by Step Solution
- Step 1: Write the proportion equation
3,557,889.68 : 4,909,926.36 = 1,926,331.04 : x - Step 2: Convert to fraction form
3,557,889.68/4,909,926.36 = 1,926,331.04/x - Step 3: Cross multiply
3,557,889.68x = 4,909,926.36 × 1,926,331.04 - Step 4: Simplify right side
3,557,889.68x = 9,458,143,551,382.22 - Step 5: Solve for x
x = 9,458,143,551,382.22/3,557,889.68 - Step 6: Final answer
x = 2,658,357.74
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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.