Finding the Fourth Proportional to 1,405,470.88, 2,110,305.84 and 1,384,475.68
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Solution
The fourth proportional to 1,405,470.88, 2,110,305.84 and 1,384,475.68 is: 2,078,781.68
Step by Step Solution
- Step 1: Write the proportion equation
1,405,470.88 : 2,110,305.84 = 1,384,475.68 : x - Step 2: Convert to fraction form
1,405,470.88/2,110,305.84 = 1,384,475.68/x - Step 3: Cross multiply
1,405,470.88x = 2,110,305.84 × 1,384,475.68 - Step 4: Simplify right side
1,405,470.88x = 2,921,667,112,841.97 - Step 5: Solve for x
x = 2,921,667,112,841.97/1,405,470.88 - Step 6: Final answer
x = 2,078,781.68
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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.