Finding the Fourth Proportional to 3,658,048.36, 5,485,570.80 and 1,098,368.98
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Solution
The fourth proportional to 3,658,048.36, 5,485,570.80 and 1,098,368.98 is: 1,647,102.56
Step by Step Solution
- Step 1: Write the proportion equation
3,658,048.36 : 5,485,570.80 = 1,098,368.98 : x - Step 2: Convert to fraction form
3,658,048.36/5,485,570.80 = 1,098,368.98/x - Step 3: Cross multiply
3,658,048.36x = 5,485,570.80 × 1,098,368.98 - Step 4: Simplify right side
3,658,048.36x = 6,025,180,804,313.78 - Step 5: Solve for x
x = 6,025,180,804,313.78/3,658,048.36 - Step 6: Final answer
x = 1,647,102.56
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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.