Finding the Fourth Proportional to 4,866,371.11, 7,299,971.87 and 1,272,132.31
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Solution
The fourth proportional to 4,866,371.11, 7,299,971.87 and 1,272,132.31 is: 1,908,307.00
Step by Step Solution
- Step 1: Write the proportion equation
4,866,371.11 : 7,299,971.87 = 1,272,132.31 : x - Step 2: Convert to fraction form
4,866,371.11/7,299,971.87 = 1,272,132.31/x - Step 3: Cross multiply
4,866,371.11x = 7,299,971.87 × 1,272,132.31 - Step 4: Simplify right side
4,866,371.11x = 9,286,530,077,918.12 - Step 5: Solve for x
x = 9,286,530,077,918.12/4,866,371.11 - Step 6: Final answer
x = 1,908,307.00
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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.