Finding the Fourth Proportional to 4,247,626.78, 6,372,372.58 and 3,122,284.06
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Solution
The fourth proportional to 4,247,626.78, 6,372,372.58 and 3,122,284.06 is: 4,684,111.47
Step by Step Solution
- Step 1: Write the proportion equation
4,247,626.78 : 6,372,372.58 = 3,122,284.06 : x - Step 2: Convert to fraction form
4,247,626.78/6,372,372.58 = 3,122,284.06/x - Step 3: Cross multiply
4,247,626.78x = 6,372,372.58 × 3,122,284.06 - Step 4: Simplify right side
4,247,626.78x = 19,896,357,330,915.07 - Step 5: Solve for x
x = 19,896,357,330,915.07/4,247,626.78 - Step 6: Final answer
x = 4,684,111.47
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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.