Finding the Fourth Proportional to 1,477,849.60, 2,039,455.08 and 865,855.92
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Solution
The fourth proportional to 1,477,849.60, 2,039,455.08 and 865,855.92 is: 1,194,894.43
Step by Step Solution
- Step 1: Write the proportion equation
1,477,849.60 : 2,039,455.08 = 865,855.92 : x - Step 2: Convert to fraction form
1,477,849.60/2,039,455.08 = 865,855.92/x - Step 3: Cross multiply
1,477,849.60x = 2,039,455.08 × 865,855.92 - Step 4: Simplify right side
1,477,849.60x = 1,765,874,254,592.07 - Step 5: Solve for x
x = 1,765,874,254,592.07/1,477,849.60 - Step 6: Final answer
x = 1,194,894.43
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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.