Finding the Fourth Proportional to 1,720,258.10, 2,374,099.81 and 956,382.74
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Solution
The fourth proportional to 1,720,258.10, 2,374,099.81 and 956,382.74 is: 1,319,888.03
Step by Step Solution
- Step 1: Write the proportion equation
1,720,258.10 : 2,374,099.81 = 956,382.74 : x - Step 2: Convert to fraction form
1,720,258.10/2,374,099.81 = 956,382.74/x - Step 3: Cross multiply
1,720,258.10x = 2,374,099.81 × 956,382.74 - Step 4: Simplify right side
1,720,258.10x = 2,270,548,081,321.28 - Step 5: Solve for x
x = 2,270,548,081,321.28/1,720,258.10 - Step 6: Final answer
x = 1,319,888.03
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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.