Finding the Fourth Proportional to 5,294,697.98, 7,304,256.42 and 3,118,199.24
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Solution
The fourth proportional to 5,294,697.98, 7,304,256.42 and 3,118,199.24 is: 4,301,685.74
Step by Step Solution
- Step 1: Write the proportion equation
5,294,697.98 : 7,304,256.42 = 3,118,199.24 : x - Step 2: Convert to fraction form
5,294,697.98/7,304,256.42 = 3,118,199.24/x - Step 3: Cross multiply
5,294,697.98x = 7,304,256.42 × 3,118,199.24 - Step 4: Simplify right side
5,294,697.98x = 22,776,126,817,609.12 - Step 5: Solve for x
x = 22,776,126,817,609.12/5,294,697.98 - Step 6: Final answer
x = 4,301,685.74
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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.