Finding the Fourth Proportional to 5,735,704.48, 7,915,372.85 and 3,122,283.71
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Solution
The fourth proportional to 5,735,704.48, 7,915,372.85 and 3,122,283.71 is: 4,308,806.32
Step by Step Solution
- Step 1: Write the proportion equation
5,735,704.48 : 7,915,372.85 = 3,122,283.71 : x - Step 2: Convert to fraction form
5,735,704.48/7,915,372.85 = 3,122,283.71/x - Step 3: Cross multiply
5,735,704.48x = 7,915,372.85 × 3,122,283.71 - Step 4: Simplify right side
5,735,704.48x = 24,714,039,708,131.27 - Step 5: Solve for x
x = 24,714,039,708,131.27/5,735,704.48 - Step 6: Final answer
x = 4,308,806.32
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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.