Finding the Fourth Proportional to 1,866,813, 2,800,219.50 and 537,117
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Solution
The fourth proportional to 1,866,813, 2,800,219.50 and 537,117 is: 805,675.50
Step by Step Solution
- Step 1: Write the proportion equation
1,866,813 : 2,800,219.50 = 537,117 : x - Step 2: Convert to fraction form
1,866,813/2,800,219.50 = 537,117/x - Step 3: Cross multiply
1,866,813x = 2,800,219.50 × 537,117 - Step 4: Simplify right side
1,866,813x = 1,504,045,497,181.50 - Step 5: Solve for x
x = 1,504,045,497,181.50/1,866,813 - Step 6: Final answer
x = 805,675.50
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1.5x scale
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.