Finding the Fourth Proportional to 5,624,964.19, 8,437,944.63 and 1,581,487.17
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Solution
The fourth proportional to 5,624,964.19, 8,437,944.63 and 1,581,487.17 is: 2,372,370.87
Step by Step Solution
- Step 1: Write the proportion equation
5,624,964.19 : 8,437,944.63 = 1,581,487.17 : x - Step 2: Convert to fraction form
5,624,964.19/8,437,944.63 = 1,581,487.17/x - Step 3: Cross multiply
5,624,964.19x = 8,437,944.63 × 1,581,487.17 - Step 4: Simplify right side
5,624,964.19x = 13,344,501,173,515.40 - Step 5: Solve for x
x = 13,344,501,173,515.40/5,624,964.19 - Step 6: Final answer
x = 2,372,370.87
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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.