Finding the Fourth Proportional to 3,292,216.40, 4,948,822.20 and 3,103,259.60
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Solution
The fourth proportional to 3,292,216.40, 4,948,822.20 and 3,103,259.60 is: 4,664,784.49
Step by Step Solution
- Step 1: Write the proportion equation
3,292,216.40 : 4,948,822.20 = 3,103,259.60 : x - Step 2: Convert to fraction form
3,292,216.40/4,948,822.20 = 3,103,259.60/x - Step 3: Cross multiply
3,292,216.40x = 4,948,822.20 × 3,103,259.60 - Step 4: Simplify right side
3,292,216.40x = 15,357,480,000,843.12 - Step 5: Solve for x
x = 15,357,480,000,843.12/3,292,216.40 - Step 6: Final answer
x = 4,664,784.49
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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.