Finding the Fourth Proportional to 5,358,348.09, 8,035,827.21 and 1,763,313.75
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Solution
The fourth proportional to 5,358,348.09, 8,035,827.21 and 1,763,313.75 is: 2,644,412.86
Step by Step Solution
- Step 1: Write the proportion equation
5,358,348.09 : 8,035,827.21 = 1,763,313.75 : x - Step 2: Convert to fraction form
5,358,348.09/8,035,827.21 = 1,763,313.75/x - Step 3: Cross multiply
5,358,348.09x = 8,035,827.21 × 1,763,313.75 - Step 4: Simplify right side
5,358,348.09x = 14,169,684,612,017.14 - Step 5: Solve for x
x = 14,169,684,612,017.14/5,358,348.09 - Step 6: Final answer
x = 2,644,412.86
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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.