Finding the Fourth Proportional to 2,838,146.58, 3,919,900.43 and 2,067,212.07
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Solution
The fourth proportional to 2,838,146.58, 3,919,900.43 and 2,067,212.07 is: 2,855,125.78
Step by Step Solution
- Step 1: Write the proportion equation
2,838,146.58 : 3,919,900.43 = 2,067,212.07 : x - Step 2: Convert to fraction form
2,838,146.58/3,919,900.43 = 2,067,212.07/x - Step 3: Cross multiply
2,838,146.58x = 3,919,900.43 × 2,067,212.07 - Step 4: Simplify right side
2,838,146.58x = 8,103,265,482,094.19 - Step 5: Solve for x
x = 8,103,265,482,094.19/2,838,146.58 - Step 6: Final answer
x = 2,855,125.78
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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.