Finding the Fourth Proportional to 2,838,145.58, 3,919,899.05 and 2,067,211.07
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Solution
The fourth proportional to 2,838,145.58, 3,919,899.05 and 2,067,211.07 is: 2,855,124.40
Step by Step Solution
- Step 1: Write the proportion equation
2,838,145.58 : 3,919,899.05 = 2,067,211.07 : x - Step 2: Convert to fraction form
2,838,145.58/3,919,899.05 = 2,067,211.07/x - Step 3: Cross multiply
2,838,145.58x = 3,919,899.05 × 2,067,211.07 - Step 4: Simplify right side
2,838,145.58x = 8,103,258,679,506.93 - Step 5: Solve for x
x = 8,103,258,679,506.93/2,838,145.58 - Step 6: Final answer
x = 2,855,124.40
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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.