Finding the Fourth Proportional to 6,417,372.12, 9,619,571.62 and 4,022,897.08
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Solution
The fourth proportional to 6,417,372.12, 9,619,571.62 and 4,022,897.08 is: 6,030,279.35
Step by Step Solution
- Step 1: Write the proportion equation
6,417,372.12 : 9,619,571.62 = 4,022,897.08 : x - Step 2: Convert to fraction form
6,417,372.12/9,619,571.62 = 4,022,897.08/x - Step 3: Cross multiply
6,417,372.12x = 9,619,571.62 × 4,022,897.08 - Step 4: Simplify right side
6,417,372.12x = 38,698,546,580,948.87 - Step 5: Solve for x
x = 38,698,546,580,948.87/6,417,372.12 - Step 6: Final answer
x = 6,030,279.35
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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.