Finding the Fourth Proportional to 5,207,303.71, 7,185,998.86 and 2,915,546.41
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Solution
The fourth proportional to 5,207,303.71, 7,185,998.86 and 2,915,546.41 is: 4,023,409.11
Step by Step Solution
- Step 1: Write the proportion equation
5,207,303.71 : 7,185,998.86 = 2,915,546.41 : x - Step 2: Convert to fraction form
5,207,303.71/7,185,998.86 = 2,915,546.41/x - Step 3: Cross multiply
5,207,303.71x = 7,185,998.86 × 2,915,546.41 - Step 4: Simplify right side
5,207,303.71x = 20,951,113,178,537.09 - Step 5: Solve for x
x = 20,951,113,178,537.09/5,207,303.71 - Step 6: Final answer
x = 4,023,409.11
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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.