Finding the Fourth Proportional to 1,551,660.10, 2,141,301.62 and 863,360.88
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Solution
The fourth proportional to 1,551,660.10, 2,141,301.62 and 863,360.88 is: 1,191,443.96
Step by Step Solution
- Step 1: Write the proportion equation
1,551,660.10 : 2,141,301.62 = 863,360.88 : x - Step 2: Convert to fraction form
1,551,660.10/2,141,301.62 = 863,360.88/x - Step 3: Cross multiply
1,551,660.10x = 2,141,301.62 × 863,360.88 - Step 4: Simplify right side
1,551,660.10x = 1,848,716,045,117.15 - Step 5: Solve for x
x = 1,848,716,045,117.15/1,551,660.10 - Step 6: Final answer
x = 1,191,443.96
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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.