Finding the Fourth Proportional to 7,780,324.14, 11,671,998.84 and 2,987,661.06
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Solution
The fourth proportional to 7,780,324.14, 11,671,998.84 and 2,987,661.06 is: 4,482,072.44
Step by Step Solution
- Step 1: Write the proportion equation
7,780,324.14 : 11,671,998.84 = 2,987,661.06 : x - Step 2: Convert to fraction form
7,780,324.14/11,671,998.84 = 2,987,661.06/x - Step 3: Cross multiply
7,780,324.14x = 11,671,998.84 × 2,987,661.06 - Step 4: Simplify right side
7,780,324.14x = 34,871,976,426,633.17 - Step 5: Solve for x
x = 34,871,976,426,633.17/7,780,324.14 - Step 6: Final answer
x = 4,482,072.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.