Finding the Fourth Proportional to 6,258,419.12, 8,635,904.16 and 3,504,723.68
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Solution
The fourth proportional to 6,258,419.12, 8,635,904.16 and 3,504,723.68 is: 4,836,118.71
Step by Step Solution
- Step 1: Write the proportion equation
6,258,419.12 : 8,635,904.16 = 3,504,723.68 : x - Step 2: Convert to fraction form
6,258,419.12/8,635,904.16 = 3,504,723.68/x - Step 3: Cross multiply
6,258,419.12x = 8,635,904.16 × 3,504,723.68 - Step 4: Simplify right side
6,258,419.12x = 30,266,457,807,762.51 - Step 5: Solve for x
x = 30,266,457,807,762.51/6,258,419.12 - Step 6: Final answer
x = 4,836,118.71
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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.