Finding the Fourth Proportional to 5,556,720.31, 8,335,033.68 and 4,343,317.57
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Solution
The fourth proportional to 5,556,720.31, 8,335,033.68 and 4,343,317.57 is: 6,514,939.79
Step by Step Solution
- Step 1: Write the proportion equation
5,556,720.31 : 8,335,033.68 = 4,343,317.57 : x - Step 2: Convert to fraction form
5,556,720.31/8,335,033.68 = 4,343,317.57/x - Step 3: Cross multiply
5,556,720.31x = 8,335,033.68 × 4,343,317.57 - Step 4: Simplify right side
5,556,720.31x = 36,201,698,228,885.76 - Step 5: Solve for x
x = 36,201,698,228,885.76/5,556,720.31 - Step 6: Final answer
x = 6,514,939.79
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1.5x scale
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.