Finding the Fourth Proportional to 1,847,511.70, 2,771,267.55 and 1,217,137.30
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Solution
The fourth proportional to 1,847,511.70, 2,771,267.55 and 1,217,137.30 is: 1,825,705.95
Step by Step Solution
- Step 1: Write the proportion equation
1,847,511.70 : 2,771,267.55 = 1,217,137.30 : x - Step 2: Convert to fraction form
1,847,511.70/2,771,267.55 = 1,217,137.30/x - Step 3: Cross multiply
1,847,511.70x = 2,771,267.55 × 1,217,137.30 - Step 4: Simplify right side
1,847,511.70x = 3,373,013,103,384.62 - Step 5: Solve for x
x = 3,373,013,103,384.62/1,847,511.70 - Step 6: Final answer
x = 1,825,705.95
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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.