Finding the Fourth Proportional to 1,912,653.09, 2,867,647.96 and 847,117.53
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Solution
The fourth proportional to 1,912,653.09, 2,867,647.96 and 847,117.53 is: 1,270,086.49
Step by Step Solution
- Step 1: Write the proportion equation
1,912,653.09 : 2,867,647.96 = 847,117.53 : x - Step 2: Convert to fraction form
1,912,653.09/2,867,647.96 = 847,117.53/x - Step 3: Cross multiply
1,912,653.09x = 2,867,647.96 × 847,117.53 - Step 4: Simplify right side
1,912,653.09x = 2,429,234,856,784.74 - Step 5: Solve for x
x = 2,429,234,856,784.74/1,912,653.09 - Step 6: Final answer
x = 1,270,086.49
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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.