Finding the Fourth Proportional to 7,048,356.30, 10,572,534.45 and 2,256,201.90
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Solution
The fourth proportional to 7,048,356.30, 10,572,534.45 and 2,256,201.90 is: 3,384,302.85
Step by Step Solution
- Step 1: Write the proportion equation
7,048,356.30 : 10,572,534.45 = 2,256,201.90 : x - Step 2: Convert to fraction form
7,048,356.30/10,572,534.45 = 2,256,201.90/x - Step 3: Cross multiply
7,048,356.30x = 10,572,534.45 × 2,256,201.90 - Step 4: Simplify right side
7,048,356.30x = 23,853,772,313,905.45 - Step 5: Solve for x
x = 23,853,772,313,905.45/7,048,356.30 - Step 6: Final answer
x = 3,384,302.85
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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.