Finding the Fourth Proportional to 1,472,208.20, 2,207,145.90 and 807,360.20
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Solution
The fourth proportional to 1,472,208.20, 2,207,145.90 and 807,360.20 is: 1,210,400.65
Step by Step Solution
- Step 1: Write the proportion equation
1,472,208.20 : 2,207,145.90 = 807,360.20 : x - Step 2: Convert to fraction form
1,472,208.20/2,207,145.90 = 807,360.20/x - Step 3: Cross multiply
1,472,208.20x = 2,207,145.90 × 807,360.20 - Step 4: Simplify right side
1,472,208.20x = 1,781,961,755,253.18 - Step 5: Solve for x
x = 1,781,961,755,253.18/1,472,208.20 - Step 6: Final answer
x = 1,210,400.65
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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.