Finding the Fourth Proportional to 2,881,780.35, 3,976,745.97 and 1,658,478.84
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Solution
The fourth proportional to 2,881,780.35, 3,976,745.97 and 1,658,478.84 is: 2,288,636.97
Step by Step Solution
- Step 1: Write the proportion equation
2,881,780.35 : 3,976,745.97 = 1,658,478.84 : x - Step 2: Convert to fraction form
2,881,780.35/3,976,745.97 = 1,658,478.84/x - Step 3: Cross multiply
2,881,780.35x = 3,976,745.97 × 1,658,478.84 - Step 4: Simplify right side
2,881,780.35x = 6,595,349,043,300.28 - Step 5: Solve for x
x = 6,595,349,043,300.28/2,881,780.35 - Step 6: Final answer
x = 2,288,636.97
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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.