Finding the Fourth Proportional to 5,391,366.21, 7,440,386.76 and 2,944,204.88
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Solution
The fourth proportional to 5,391,366.21, 7,440,386.76 and 2,944,204.88 is: 4,063,167.32
Step by Step Solution
- Step 1: Write the proportion equation
5,391,366.21 : 7,440,386.76 = 2,944,204.88 : x - Step 2: Convert to fraction form
5,391,366.21/7,440,386.76 = 2,944,204.88/x - Step 3: Cross multiply
5,391,366.21x = 7,440,386.76 × 2,944,204.88 - Step 4: Simplify right side
5,391,366.21x = 21,906,022,970,677.45 - Step 5: Solve for x
x = 21,906,022,970,677.45/5,391,366.21 - Step 6: Final answer
x = 4,063,167.32
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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.