Finding the Fourth Proportional to 3,455,889.14, 5,186,147.55 and 1,434,135.02
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Solution
The fourth proportional to 3,455,889.14, 5,186,147.55 and 1,434,135.02 is: 2,152,162.73
Step by Step Solution
- Step 1: Write the proportion equation
3,455,889.14 : 5,186,147.55 = 1,434,135.02 : x - Step 2: Convert to fraction form
3,455,889.14/5,186,147.55 = 1,434,135.02/x - Step 3: Cross multiply
3,455,889.14x = 5,186,147.55 × 1,434,135.02 - Step 4: Simplify right side
3,455,889.14x = 7,437,635,820,342.20 - Step 5: Solve for x
x = 7,437,635,820,342.20/3,455,889.14 - Step 6: Final answer
x = 2,152,162.73
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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.