Finding the Fourth Proportional to 1,789,678.96, 2,684,518.96 and 1,473,471.68
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Solution
The fourth proportional to 1,789,678.96, 2,684,518.96 and 1,473,471.68 is: 2,210,207.95
Step by Step Solution
- Step 1: Write the proportion equation
1,789,678.96 : 2,684,518.96 = 1,473,471.68 : x - Step 2: Convert to fraction form
1,789,678.96/2,684,518.96 = 1,473,471.68/x - Step 3: Cross multiply
1,789,678.96x = 2,684,518.96 × 1,473,471.68 - Step 4: Simplify right side
1,789,678.96x = 3,955,562,661,983.05 - Step 5: Solve for x
x = 3,955,562,661,983.05/1,789,678.96 - Step 6: Final answer
x = 2,210,207.95
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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.