Finding the Fourth Proportional to 5,344,170.08, 7,374,757.12 and 2,896,728.55
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Solution
The fourth proportional to 5,344,170.08, 7,374,757.12 and 2,896,728.55 is: 3,997,378.30
Step by Step Solution
- Step 1: Write the proportion equation
5,344,170.08 : 7,374,757.12 = 2,896,728.55 : x - Step 2: Convert to fraction form
5,344,170.08/7,374,757.12 = 2,896,728.55/x - Step 3: Cross multiply
5,344,170.08x = 7,374,757.12 × 2,896,728.55 - Step 4: Simplify right side
5,344,170.08x = 21,362,669,473,141.06 - Step 5: Solve for x
x = 21,362,669,473,141.06/5,344,170.08 - Step 6: Final answer
x = 3,997,378.30
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1.5x scale
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.