Finding the Fourth Proportional to 6,131,258.96, 8,461,139.68 and 3,554,433.48
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Solution
The fourth proportional to 6,131,258.96, 8,461,139.68 and 3,554,433.48 is: 4,905,119.54
Step by Step Solution
- Step 1: Write the proportion equation
6,131,258.96 : 8,461,139.68 = 3,554,433.48 : x - Step 2: Convert to fraction form
6,131,258.96/8,461,139.68 = 3,554,433.48/x - Step 3: Cross multiply
6,131,258.96x = 8,461,139.68 × 3,554,433.48 - Step 4: Simplify right side
6,131,258.96x = 30,074,558,157,548.48 - Step 5: Solve for x
x = 30,074,558,157,548.48/6,131,258.96 - Step 6: Final answer
x = 4,905,119.54
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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.