Finding the Fourth Proportional to 4,213,442.90, 5,812,896.74 and 2,447,040.53
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Solution
The fourth proportional to 4,213,442.90, 5,812,896.74 and 2,447,040.53 is: 3,375,955.06
Step by Step Solution
- Step 1: Write the proportion equation
4,213,442.90 : 5,812,896.74 = 2,447,040.53 : x - Step 2: Convert to fraction form
4,213,442.90/5,812,896.74 = 2,447,040.53/x - Step 3: Cross multiply
4,213,442.90x = 5,812,896.74 × 2,447,040.53 - Step 4: Simplify right side
4,213,442.90x = 14,224,393,878,185.19 - Step 5: Solve for x
x = 14,224,393,878,185.19/4,213,442.90 - Step 6: Final answer
x = 3,375,955.06
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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.