Finding the Fourth Proportional to 5,279,484.96, 7,285,689.18 and 2,865,036.96
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Solution
The fourth proportional to 5,279,484.96, 7,285,689.18 and 2,865,036.96 is: 3,953,750.97
Step by Step Solution
- Step 1: Write the proportion equation
5,279,484.96 : 7,285,689.18 = 2,865,036.96 : x - Step 2: Convert to fraction form
5,279,484.96/7,285,689.18 = 2,865,036.96/x - Step 3: Cross multiply
5,279,484.96x = 7,285,689.18 × 2,865,036.96 - Step 4: Simplify right side
5,279,484.96x = 20,873,768,779,772.09 - Step 5: Solve for x
x = 20,873,768,779,772.09/5,279,484.96 - Step 6: Final answer
x = 3,953,750.97
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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.