Finding the Fourth Proportional to 5,216,432.10, 7,197,989.58 and 2,893,297.02
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Solution
The fourth proportional to 5,216,432.10, 7,197,989.58 and 2,893,297.02 is: 3,992,369.00
Step by Step Solution
- Step 1: Write the proportion equation
5,216,432.10 : 7,197,989.58 = 2,893,297.02 : x - Step 2: Convert to fraction form
5,216,432.10/7,197,989.58 = 2,893,297.02/x - Step 3: Cross multiply
5,216,432.10x = 7,197,989.58 × 2,893,297.02 - Step 4: Simplify right side
5,216,432.10x = 20,825,921,801,805.05 - Step 5: Solve for x
x = 20,825,921,801,805.05/5,216,432.10 - Step 6: Final answer
x = 3,992,369.00
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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.