Finding the Fourth Proportional to 5,148,121.23, 7,104,408.17 and 2,856,276.45
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Solution
The fourth proportional to 5,148,121.23, 7,104,408.17 and 2,856,276.45 is: 3,941,661.99
Step by Step Solution
- Step 1: Write the proportion equation
5,148,121.23 : 7,104,408.17 = 2,856,276.45 : x - Step 2: Convert to fraction form
5,148,121.23/7,104,408.17 = 2,856,276.45/x - Step 3: Cross multiply
5,148,121.23x = 7,104,408.17 × 2,856,276.45 - Step 4: Simplify right side
5,148,121.23x = 20,292,153,747,158.60 - Step 5: Solve for x
x = 20,292,153,747,158.60/5,148,121.23 - Step 6: Final answer
x = 3,941,661.99
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1.5x scale
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.