Finding the Fourth Proportional to 3,162,813.08, 4,744,177.70 and 766,678.77
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Solution
The fourth proportional to 3,162,813.08, 4,744,177.70 and 766,678.77 is: 1,150,007.99
Step by Step Solution
- Step 1: Write the proportion equation
3,162,813.08 : 4,744,177.70 = 766,678.77 : x - Step 2: Convert to fraction form
3,162,813.08/4,744,177.70 = 766,678.77/x - Step 3: Cross multiply
3,162,813.08x = 4,744,177.70 × 766,678.77 - Step 4: Simplify right side
3,162,813.08x = 3,637,260,319,864.04 - Step 5: Solve for x
x = 3,637,260,319,864.04/3,162,813.08 - Step 6: Final answer
x = 1,150,007.99
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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.