Finding the Fourth Proportional to 5,061,272.19, 6,984,555.62 and 2,769,432.88
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Solution
The fourth proportional to 5,061,272.19, 6,984,555.62 and 2,769,432.88 is: 3,821,817.37
Step by Step Solution
- Step 1: Write the proportion equation
5,061,272.19 : 6,984,555.62 = 2,769,432.88 : x - Step 2: Convert to fraction form
5,061,272.19/6,984,555.62 = 2,769,432.88/x - Step 3: Cross multiply
5,061,272.19x = 6,984,555.62 × 2,769,432.88 - Step 4: Simplify right side
5,061,272.19x = 19,343,257,986,216.79 - Step 5: Solve for x
x = 19,343,257,986,216.79/5,061,272.19 - Step 6: Final answer
x = 3,821,817.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.