Finding the Fourth Proportional to 5,028,044.22, 6,938,221.19 and 2,822,402.21
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Solution
The fourth proportional to 5,028,044.22, 6,938,221.19 and 2,822,402.21 is: 3,894,645.69
Step by Step Solution
- Step 1: Write the proportion equation
5,028,044.22 : 6,938,221.19 = 2,822,402.21 : x - Step 2: Convert to fraction form
5,028,044.22/6,938,221.19 = 2,822,402.21/x - Step 3: Cross multiply
5,028,044.22x = 6,938,221.19 × 2,822,402.21 - Step 4: Simplify right side
5,028,044.22x = 19,582,450,771,321.71 - Step 5: Solve for x
x = 19,582,450,771,321.71/5,028,044.22 - Step 6: Final answer
x = 3,894,645.69
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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.