Finding the Fourth Proportional to 1,470,403.40, 2,207,678.70 and 910,531.40
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Solution
The fourth proportional to 1,470,403.40, 2,207,678.70 and 910,531.40 is: 1,367,081.15
Step by Step Solution
- Step 1: Write the proportion equation
1,470,403.40 : 2,207,678.70 = 910,531.40 : x - Step 2: Convert to fraction form
1,470,403.40/2,207,678.70 = 910,531.40/x - Step 3: Cross multiply
1,470,403.40x = 2,207,678.70 × 910,531.40 - Step 4: Simplify right side
1,470,403.40x = 2,010,160,777,461.18 - Step 5: Solve for x
x = 2,010,160,777,461.18/1,470,403.40 - Step 6: Final answer
x = 1,367,081.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.