Finding the Fourth Proportional to 5,743,961.88, 7,926,641.40 and 3,165,637.08
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Solution
The fourth proportional to 5,743,961.88, 7,926,641.40 and 3,165,637.08 is: 4,368,564.84
Step by Step Solution
- Step 1: Write the proportion equation
5,743,961.88 : 7,926,641.40 = 3,165,637.08 : x - Step 2: Convert to fraction form
5,743,961.88/7,926,641.40 = 3,165,637.08/x - Step 3: Cross multiply
5,743,961.88x = 7,926,641.40 × 3,165,637.08 - Step 4: Simplify right side
5,743,961.88x = 25,092,869,935,703.11 - Step 5: Solve for x
x = 25,092,869,935,703.11/5,743,961.88 - Step 6: Final answer
x = 4,368,564.84
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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.