Finding the Fourth Proportional to 4,827,615.80, 7,241,423.70 and 1,461,822.80
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Solution
The fourth proportional to 4,827,615.80, 7,241,423.70 and 1,461,822.80 is: 2,192,734.20
Step by Step Solution
- Step 1: Write the proportion equation
4,827,615.80 : 7,241,423.70 = 1,461,822.80 : x - Step 2: Convert to fraction form
4,827,615.80/7,241,423.70 = 1,461,822.80/x - Step 3: Cross multiply
4,827,615.80x = 7,241,423.70 × 1,461,822.80 - Step 4: Simplify right side
4,827,615.80x = 10,585,678,269,120.36 - Step 5: Solve for x
x = 10,585,678,269,120.36/4,827,615.80 - Step 6: Final answer
x = 2,192,734.20
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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.