Finding the Fourth Proportional to 6,423,368.21, 9,640,352.83 and 3,229,402.13
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Solution
The fourth proportional to 6,423,368.21, 9,640,352.83 and 3,229,402.13 is: 4,846,768.07
Step by Step Solution
- Step 1: Write the proportion equation
6,423,368.21 : 9,640,352.83 = 3,229,402.13 : x - Step 2: Convert to fraction form
6,423,368.21/9,640,352.83 = 3,229,402.13/x - Step 3: Cross multiply
6,423,368.21x = 9,640,352.83 × 3,229,402.13 - Step 4: Simplify right side
6,423,368.21x = 31,132,575,906,878.26 - Step 5: Solve for x
x = 31,132,575,906,878.26/6,423,368.21 - Step 6: Final answer
x = 4,846,768.07
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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.