Finding the Fourth Proportional to 3,950,128, 5,451,176.64 and 2,139,292
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Solution
The fourth proportional to 3,950,128, 5,451,176.64 and 2,139,292 is: 2,952,222.96
Step by Step Solution
- Step 1: Write the proportion equation
3,950,128 : 5,451,176.64 = 2,139,292 : x - Step 2: Convert to fraction form
3,950,128/5,451,176.64 = 2,139,292/x - Step 3: Cross multiply
3,950,128x = 5,451,176.64 × 2,139,292 - Step 4: Simplify right side
3,950,128x = 11,661,658,576,538.88 - Step 5: Solve for x
x = 11,661,658,576,538.88/3,950,128 - Step 6: Final answer
x = 2,952,222.96
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.