Finding the Fourth Proportional to 5,326,634, 7,350,936.36 and 2,912,341.52
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Solution
The fourth proportional to 5,326,634, 7,350,936.36 and 2,912,341.52 is: 4,019,130.50
Step by Step Solution
- Step 1: Write the proportion equation
5,326,634 : 7,350,936.36 = 2,912,341.52 : x - Step 2: Convert to fraction form
5,326,634/7,350,936.36 = 2,912,341.52/x - Step 3: Cross multiply
5,326,634x = 7,350,936.36 × 2,912,341.52 - Step 4: Simplify right side
5,326,634x = 21,408,437,172,105.67 - Step 5: Solve for x
x = 21,408,437,172,105.67/5,326,634 - Step 6: Final answer
x = 4,019,130.50
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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.