Finding the Fourth Proportional to 2,279,484.78, 3,129,216.53 and 1,956,634.38
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Solution
The fourth proportional to 2,279,484.78, 3,129,216.53 and 1,956,634.38 is: 2,686,016.02
Step by Step Solution
- Step 1: Write the proportion equation
2,279,484.78 : 3,129,216.53 = 1,956,634.38 : x - Step 2: Convert to fraction form
2,279,484.78/3,129,216.53 = 1,956,634.38/x - Step 3: Cross multiply
2,279,484.78x = 3,129,216.53 × 1,956,634.38 - Step 4: Simplify right side
2,279,484.78x = 6,122,732,635,279.13 - Step 5: Solve for x
x = 6,122,732,635,279.13/2,279,484.78 - Step 6: Final answer
x = 2,686,016.02
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.