Finding the Fourth Proportional to 3,555,376.60, 5,328,399.30 and 1,423,715.80
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Solution
The fourth proportional to 3,555,376.60, 5,328,399.30 and 1,423,715.80 is: 2,133,705.41
Step by Step Solution
- Step 1: Write the proportion equation
3,555,376.60 : 5,328,399.30 = 1,423,715.80 : x - Step 2: Convert to fraction form
3,555,376.60/5,328,399.30 = 1,423,715.80/x - Step 3: Cross multiply
3,555,376.60x = 5,328,399.30 × 1,423,715.80 - Step 4: Simplify right side
3,555,376.60x = 7,586,126,272,118.94 - Step 5: Solve for x
x = 7,586,126,272,118.94/3,555,376.60 - Step 6: Final answer
x = 2,133,705.41
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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.