Finding the Fourth Proportional to 4,745,265.75, 7,119,112.41 and 1,379,472.75
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Solution
The fourth proportional to 4,745,265.75, 7,119,112.41 and 1,379,472.75 is: 2,069,561.98
Step by Step Solution
- Step 1: Write the proportion equation
4,745,265.75 : 7,119,112.41 = 1,379,472.75 : x - Step 2: Convert to fraction form
4,745,265.75/7,119,112.41 = 1,379,472.75/x - Step 3: Cross multiply
4,745,265.75x = 7,119,112.41 × 1,379,472.75 - Step 4: Simplify right side
4,745,265.75x = 9,820,621,573,781.83 - Step 5: Solve for x
x = 9,820,621,573,781.83/4,745,265.75 - Step 6: Final answer
x = 2,069,561.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.