Finding the Fourth Proportional to 1,478,024.92, 2,039,674.80 and 833,445.28
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Solution
The fourth proportional to 1,478,024.92, 2,039,674.80 and 833,445.28 is: 1,150,154.72
Step by Step Solution
- Step 1: Write the proportion equation
1,478,024.92 : 2,039,674.80 = 833,445.28 : x - Step 2: Convert to fraction form
1,478,024.92/2,039,674.80 = 833,445.28/x - Step 3: Cross multiply
1,478,024.92x = 2,039,674.80 × 833,445.28 - Step 4: Simplify right side
1,478,024.92x = 1,699,957,334,794.94 - Step 5: Solve for x
x = 1,699,957,334,794.94/1,478,024.92 - Step 6: Final answer
x = 1,150,154.72
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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.