Finding the Fourth Proportional to 7,160,813.75, 10,740,929.33 and 1,769,328.41
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Solution
The fourth proportional to 7,160,813.75, 10,740,929.33 and 1,769,328.41 is: 2,653,920.63
Step by Step Solution
- Step 1: Write the proportion equation
7,160,813.75 : 10,740,929.33 = 1,769,328.41 : x - Step 2: Convert to fraction form
7,160,813.75/10,740,929.33 = 1,769,328.41/x - Step 3: Cross multiply
7,160,813.75x = 10,740,929.33 × 1,769,328.41 - Step 4: Simplify right side
7,160,813.75x = 19,004,231,364,089.94 - Step 5: Solve for x
x = 19,004,231,364,089.94/7,160,813.75 - Step 6: Final answer
x = 2,653,920.63
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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.