Finding the Fourth Proportional to 4,879,031.04, 7,318,969.38 and 1,284,769.44
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Solution
The fourth proportional to 4,879,031.04, 7,318,969.38 and 1,284,769.44 is: 1,927,265.50
Step by Step Solution
- Step 1: Write the proportion equation
4,879,031.04 : 7,318,969.38 = 1,284,769.44 : x - Step 2: Convert to fraction form
4,879,031.04/7,318,969.38 = 1,284,769.44/x - Step 3: Cross multiply
4,879,031.04x = 7,318,969.38 × 1,284,769.44 - Step 4: Simplify right side
4,879,031.04x = 9,403,188,191,719.75 - Step 5: Solve for x
x = 9,403,188,191,719.75/4,879,031.04 - Step 6: Final answer
x = 1,927,265.50
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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.