Finding the Fourth Proportional to 3,918,715.14, 5,878,135.02 and 1,489,905.42
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Solution
The fourth proportional to 3,918,715.14, 5,878,135.02 and 1,489,905.42 is: 2,234,881.82
Step by Step Solution
- Step 1: Write the proportion equation
3,918,715.14 : 5,878,135.02 = 1,489,905.42 : x - Step 2: Convert to fraction form
3,918,715.14/5,878,135.02 = 1,489,905.42/x - Step 3: Cross multiply
3,918,715.14x = 5,878,135.02 × 1,489,905.42 - Step 4: Simplify right side
3,918,715.14x = 8,757,865,225,789.81 - Step 5: Solve for x
x = 8,757,865,225,789.81/3,918,715.14 - Step 6: Final answer
x = 2,234,881.82
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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.