Finding the Fourth Proportional to 2,088,991.07, 3,133,486.63 and 1,378,853.02
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Solution
The fourth proportional to 2,088,991.07, 3,133,486.63 and 1,378,853.02 is: 2,068,279.54
Step by Step Solution
- Step 1: Write the proportion equation
2,088,991.07 : 3,133,486.63 = 1,378,853.02 : x - Step 2: Convert to fraction form
2,088,991.07/3,133,486.63 = 1,378,853.02/x - Step 3: Cross multiply
2,088,991.07x = 3,133,486.63 × 1,378,853.02 - Step 4: Simplify right side
2,088,991.07x = 4,320,617,487,237.69 - Step 5: Solve for x
x = 4,320,617,487,237.69/2,088,991.07 - Step 6: Final answer
x = 2,068,279.54
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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.