Finding the Fourth Proportional to 1,447,930.08, 2,171,953.44 and 689,381.28
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Solution
The fourth proportional to 1,447,930.08, 2,171,953.44 and 689,381.28 is: 1,034,099.69
Step by Step Solution
- Step 1: Write the proportion equation
1,447,930.08 : 2,171,953.44 = 689,381.28 : x - Step 2: Convert to fraction form
1,447,930.08/2,171,953.44 = 689,381.28/x - Step 3: Cross multiply
1,447,930.08x = 2,171,953.44 × 689,381.28 - Step 4: Simplify right side
1,447,930.08x = 1,497,304,042,567.60 - Step 5: Solve for x
x = 1,497,304,042,567.60/1,447,930.08 - Step 6: Final answer
x = 1,034,099.69
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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.