Finding the Fourth Proportional to 4,885,406.07, 7,328,171.47 and 1,291,141.97
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Solution
The fourth proportional to 4,885,406.07, 7,328,171.47 and 1,291,141.97 is: 1,936,729.44
Step by Step Solution
- Step 1: Write the proportion equation
4,885,406.07 : 7,328,171.47 = 1,291,141.97 : x - Step 2: Convert to fraction form
4,885,406.07/7,328,171.47 = 1,291,141.97/x - Step 3: Cross multiply
4,885,406.07x = 7,328,171.47 × 1,291,141.97 - Step 4: Simplify right side
4,885,406.07x = 9,461,709,748,273.60 - Step 5: Solve for x
x = 9,461,709,748,273.60/4,885,406.07 - Step 6: Final answer
x = 1,936,729.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.