Finding the Fourth Proportional to 6,221,431.24, 8,585,138.10 and 3,430,430.44
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Solution
The fourth proportional to 6,221,431.24, 8,585,138.10 and 3,430,430.44 is: 4,733,753.04
Step by Step Solution
- Step 1: Write the proportion equation
6,221,431.24 : 8,585,138.10 = 3,430,430.44 : x - Step 2: Convert to fraction form
6,221,431.24/8,585,138.10 = 3,430,430.44/x - Step 3: Cross multiply
6,221,431.24x = 8,585,138.10 × 3,430,430.44 - Step 4: Simplify right side
6,221,431.24x = 29,450,719,069,843.76 - Step 5: Solve for x
x = 29,450,719,069,843.76/6,221,431.24 - Step 6: Final answer
x = 4,733,753.04
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.