Finding the Fourth Proportional to 1,917,709.44, 2,875,674.24 and 1,119,220.80
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Solution
The fourth proportional to 1,917,709.44, 2,875,674.24 and 1,119,220.80 is: 1,678,311.82
Step by Step Solution
- Step 1: Write the proportion equation
1,917,709.44 : 2,875,674.24 = 1,119,220.80 : x - Step 2: Convert to fraction form
1,917,709.44/2,875,674.24 = 1,119,220.80/x - Step 3: Cross multiply
1,917,709.44x = 2,875,674.24 × 1,119,220.80 - Step 4: Simplify right side
1,917,709.44x = 3,218,514,423,432.19 - Step 5: Solve for x
x = 3,218,514,423,432.19/1,917,709.44 - Step 6: Final answer
x = 1,678,311.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.