Finding the Fourth Proportional to 2,013,992.10, 3,020,988.15 and 1,217,729.70
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Solution
The fourth proportional to 2,013,992.10, 3,020,988.15 and 1,217,729.70 is: 1,826,594.55
Step by Step Solution
- Step 1: Write the proportion equation
2,013,992.10 : 3,020,988.15 = 1,217,729.70 : x - Step 2: Convert to fraction form
2,013,992.10/3,020,988.15 = 1,217,729.70/x - Step 3: Cross multiply
2,013,992.10x = 3,020,988.15 × 1,217,729.70 - Step 4: Simplify right side
2,013,992.10x = 3,678,746,993,603.06 - Step 5: Solve for x
x = 3,678,746,993,603.06/2,013,992.10 - Step 6: Final answer
x = 1,826,594.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.