Finding the Fourth Proportional to 4,653,549.12, 6,980,271.42 and 1,815,654.12
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Solution
The fourth proportional to 4,653,549.12, 6,980,271.42 and 1,815,654.12 is: 2,723,460.79
Step by Step Solution
- Step 1: Write the proportion equation
4,653,549.12 : 6,980,271.42 = 1,815,654.12 : x - Step 2: Convert to fraction form
4,653,549.12/6,980,271.42 = 1,815,654.12/x - Step 3: Cross multiply
4,653,549.12x = 6,980,271.42 × 1,815,654.12 - Step 4: Simplify right side
4,653,549.12x = 12,673,758,562,441.25 - Step 5: Solve for x
x = 12,673,758,562,441.25/4,653,549.12 - Step 6: Final answer
x = 2,723,460.79
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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.