Finding the Fourth Proportional to 5,118,605.53, 7,679,343.08 and 2,240,223.19
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Solution
The fourth proportional to 5,118,605.53, 7,679,343.08 and 2,240,223.19 is: 3,360,962.73
Step by Step Solution
- Step 1: Write the proportion equation
5,118,605.53 : 7,679,343.08 = 2,240,223.19 : x - Step 2: Convert to fraction form
5,118,605.53/7,679,343.08 = 2,240,223.19/x - Step 3: Cross multiply
5,118,605.53x = 7,679,343.08 × 2,240,223.19 - Step 4: Simplify right side
5,118,605.53x = 17,203,442,440,580.91 - Step 5: Solve for x
x = 17,203,442,440,580.91/5,118,605.53 - Step 6: Final answer
x = 3,360,962.73
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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.