Finding the Fourth Proportional to 5,440,558.88, 7,507,971.26 and 2,993,117.55
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Solution
The fourth proportional to 5,440,558.88, 7,507,971.26 and 2,993,117.55 is: 4,130,502.22
Step by Step Solution
- Step 1: Write the proportion equation
5,440,558.88 : 7,507,971.26 = 2,993,117.55 : x - Step 2: Convert to fraction form
5,440,558.88/7,507,971.26 = 2,993,117.55/x - Step 3: Cross multiply
5,440,558.88x = 7,507,971.26 × 2,993,117.55 - Step 4: Simplify right side
5,440,558.88x = 22,472,240,528,236.02 - Step 5: Solve for x
x = 22,472,240,528,236.02/5,440,558.88 - Step 6: Final answer
x = 4,130,502.22
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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.