Finding the Fourth Proportional to 5,079,027.24, 7,009,259.76 and 2,787,269.94
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Solution
The fourth proportional to 5,079,027.24, 7,009,259.76 and 2,787,269.94 is: 3,846,543.46
Step by Step Solution
- Step 1: Write the proportion equation
5,079,027.24 : 7,009,259.76 = 2,787,269.94 : x - Step 2: Convert to fraction form
5,079,027.24/7,009,259.76 = 2,787,269.94/x - Step 3: Cross multiply
5,079,027.24x = 7,009,259.76 × 2,787,269.94 - Step 4: Simplify right side
5,079,027.24x = 19,536,699,030,699.61 - Step 5: Solve for x
x = 19,536,699,030,699.61/5,079,027.24 - Step 6: Final answer
x = 3,846,543.46
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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.