Finding the Fourth Proportional to 2,678,944.24, 4,018,447.68 and 785,723.68
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Solution
The fourth proportional to 2,678,944.24, 4,018,447.68 and 785,723.68 is: 1,178,594.71
Step by Step Solution
- Step 1: Write the proportion equation
2,678,944.24 : 4,018,447.68 = 785,723.68 : x - Step 2: Convert to fraction form
2,678,944.24/4,018,447.68 = 785,723.68/x - Step 3: Cross multiply
2,678,944.24x = 4,018,447.68 × 785,723.68 - Step 4: Simplify right side
2,678,944.24x = 3,157,389,499,017.06 - Step 5: Solve for x
x = 3,157,389,499,017.06/2,678,944.24 - Step 6: Final answer
x = 1,178,594.71
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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.