Finding the Fourth Proportional to 5,344,030.40, 8,022,266.40 and 3,216,516.80
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Solution
The fourth proportional to 5,344,030.40, 8,022,266.40 and 3,216,516.80 is: 4,828,519.44
Step by Step Solution
- Step 1: Write the proportion equation
5,344,030.40 : 8,022,266.40 = 3,216,516.80 : x - Step 2: Convert to fraction form
5,344,030.40/8,022,266.40 = 3,216,516.80/x - Step 3: Cross multiply
5,344,030.40x = 8,022,266.40 × 3,216,516.80 - Step 4: Simplify right side
5,344,030.40x = 25,803,754,649,675.52 - Step 5: Solve for x
x = 25,803,754,649,675.52/5,344,030.40 - Step 6: Final answer
x = 4,828,519.44
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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.