Finding the Fourth Proportional to 2,803,034.64, 3,863,644.74 and 2,190,118.44
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Solution
The fourth proportional to 2,803,034.64, 3,863,644.74 and 2,190,118.44 is: 3,018,813.78
Step by Step Solution
- Step 1: Write the proportion equation
2,803,034.64 : 3,863,644.74 = 2,190,118.44 : x - Step 2: Convert to fraction form
2,803,034.64/3,863,644.74 = 2,190,118.44/x - Step 3: Cross multiply
2,803,034.64x = 3,863,644.74 × 2,190,118.44 - Step 4: Simplify right side
2,803,034.64x = 8,461,839,590,683.01 - Step 5: Solve for x
x = 8,461,839,590,683.01/2,803,034.64 - Step 6: Final answer
x = 3,018,813.78
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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.