Finding the Fourth Proportional to 1,532,808.22, 2,115,275.94 and 888,601.90
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Solution
The fourth proportional to 1,532,808.22, 2,115,275.94 and 888,601.90 is: 1,226,270.97
Step by Step Solution
- Step 1: Write the proportion equation
1,532,808.22 : 2,115,275.94 = 888,601.90 : x - Step 2: Convert to fraction form
1,532,808.22/2,115,275.94 = 888,601.90/x - Step 3: Cross multiply
1,532,808.22x = 2,115,275.94 × 888,601.90 - Step 4: Simplify right side
1,532,808.22x = 1,879,638,219,308.29 - Step 5: Solve for x
x = 1,879,638,219,308.29/1,532,808.22 - Step 6: Final answer
x = 1,226,270.97
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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.