Finding the Fourth Proportional to 1,472,194.70, 2,207,125.65 and 807,346.70
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Solution
The fourth proportional to 1,472,194.70, 2,207,125.65 and 807,346.70 is: 1,210,380.40
Step by Step Solution
- Step 1: Write the proportion equation
1,472,194.70 : 2,207,125.65 = 807,346.70 : x - Step 2: Convert to fraction form
1,472,194.70/2,207,125.65 = 807,346.70/x - Step 3: Cross multiply
1,472,194.70x = 2,207,125.65 × 807,346.70 - Step 4: Simplify right side
1,472,194.70x = 1,781,915,610,012.85 - Step 5: Solve for x
x = 1,781,915,610,012.85/1,472,194.70 - Step 6: Final answer
x = 1,210,380.40
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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.