Finding the Fourth Proportional to 5,298,352.68, 7,948,714.18 and 1,932,559.68
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Solution
The fourth proportional to 5,298,352.68, 7,948,714.18 and 1,932,559.68 is: 2,899,271.80
Step by Step Solution
- Step 1: Write the proportion equation
5,298,352.68 : 7,948,714.18 = 1,932,559.68 : x - Step 2: Convert to fraction form
5,298,352.68/7,948,714.18 = 1,932,559.68/x - Step 3: Cross multiply
5,298,352.68x = 7,948,714.18 × 1,932,559.68 - Step 4: Simplify right side
5,298,352.68x = 15,361,364,532,112.26 - Step 5: Solve for x
x = 15,361,364,532,112.26/5,298,352.68 - Step 6: Final answer
x = 2,899,271.80
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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.