Finding the Fourth Proportional to 2,646,431.93, 3,650,729.54 and 1,729,197.28
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Solution
The fourth proportional to 2,646,431.93, 3,650,729.54 and 1,729,197.28 is: 2,385,412.41
Step by Step Solution
- Step 1: Write the proportion equation
2,646,431.93 : 3,650,729.54 = 1,729,197.28 : x - Step 2: Convert to fraction form
2,646,431.93/3,650,729.54 = 1,729,197.28/x - Step 3: Cross multiply
2,646,431.93x = 3,650,729.54 × 1,729,197.28 - Step 4: Simplify right side
2,646,431.93x = 6,312,831,586,501.08 - Step 5: Solve for x
x = 6,312,831,586,501.08/2,646,431.93 - Step 6: Final answer
x = 2,385,412.41
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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.