Finding the Fourth Proportional to 7,160,817.32, 10,740,934.66 and 1,769,331.98
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Solution
The fourth proportional to 7,160,817.32, 10,740,934.66 and 1,769,331.98 is: 2,653,925.99
Step by Step Solution
- Step 1: Write the proportion equation
7,160,817.32 : 10,740,934.66 = 1,769,331.98 : x - Step 2: Convert to fraction form
7,160,817.32/10,740,934.66 = 1,769,331.98/x - Step 3: Cross multiply
7,160,817.32x = 10,740,934.66 × 1,769,331.98 - Step 4: Simplify right side
7,160,817.32x = 19,004,279,189,028.43 - Step 5: Solve for x
x = 19,004,279,189,028.43/7,160,817.32 - Step 6: Final answer
x = 2,653,925.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.