Finding the Fourth Proportional to 1,890,626.62, 2,609,095.84 and 1,031,186.88
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Solution
The fourth proportional to 1,890,626.62, 2,609,095.84 and 1,031,186.88 is: 1,423,054.86
Step by Step Solution
- Step 1: Write the proportion equation
1,890,626.62 : 2,609,095.84 = 1,031,186.88 : x - Step 2: Convert to fraction form
1,890,626.62/2,609,095.84 = 1,031,186.88/x - Step 3: Cross multiply
1,890,626.62x = 2,609,095.84 × 1,031,186.88 - Step 4: Simplify right side
1,890,626.62x = 2,690,465,398,870.58 - Step 5: Solve for x
x = 2,690,465,398,870.58/1,890,626.62 - Step 6: Final answer
x = 1,423,054.86
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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.