Finding the Fourth Proportional to 3,398,789.74, 4,690,448.49 and 1,850,178.96
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Solution
The fourth proportional to 3,398,789.74, 4,690,448.49 and 1,850,178.96 is: 2,553,311.55
Step by Step Solution
- Step 1: Write the proportion equation
3,398,789.74 : 4,690,448.49 = 1,850,178.96 : x - Step 2: Convert to fraction form
3,398,789.74/4,690,448.49 = 1,850,178.96/x - Step 3: Cross multiply
3,398,789.74x = 4,690,448.49 × 1,850,178.96 - Step 4: Simplify right side
3,398,789.74x = 8,678,169,109,161.77 - Step 5: Solve for x
x = 8,678,169,109,161.77/3,398,789.74 - Step 6: Final answer
x = 2,553,311.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.