Finding the Fourth Proportional to 5,289,216.54, 7,299,272.79 and 2,997,301.02
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Solution
The fourth proportional to 5,289,216.54, 7,299,272.79 and 2,997,301.02 is: 4,136,362.66
Step by Step Solution
- Step 1: Write the proportion equation
5,289,216.54 : 7,299,272.79 = 2,997,301.02 : x - Step 2: Convert to fraction form
5,289,216.54/7,299,272.79 = 2,997,301.02/x - Step 3: Cross multiply
5,289,216.54x = 7,299,272.79 × 2,997,301.02 - Step 4: Simplify right side
5,289,216.54x = 21,878,117,778,725.25 - Step 5: Solve for x
x = 21,878,117,778,725.25/5,289,216.54 - Step 6: Final answer
x = 4,136,362.66
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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.