Finding the Fourth Proportional to 2,253,763.14, 3,109,215.68 and 1,490,881.38
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Solution
The fourth proportional to 2,253,763.14, 3,109,215.68 and 1,490,881.38 is: 2,056,769.71
Step by Step Solution
- Step 1: Write the proportion equation
2,253,763.14 : 3,109,215.68 = 1,490,881.38 : x - Step 2: Convert to fraction form
2,253,763.14/3,109,215.68 = 1,490,881.38/x - Step 3: Cross multiply
2,253,763.14x = 3,109,215.68 × 1,490,881.38 - Step 4: Simplify right side
2,253,763.14x = 4,635,471,763,716.04 - Step 5: Solve for x
x = 4,635,471,763,716.04/2,253,763.14 - Step 6: Final answer
x = 2,056,769.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.