Finding the Fourth Proportional to 3,418,583.04, 5,127,979.52 and 1,174,689.28
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Solution
The fourth proportional to 3,418,583.04, 5,127,979.52 and 1,174,689.28 is: 1,762,069.99
Step by Step Solution
- Step 1: Write the proportion equation
3,418,583.04 : 5,127,979.52 = 1,174,689.28 : x - Step 2: Convert to fraction form
3,418,583.04/5,127,979.52 = 1,174,689.28/x - Step 3: Cross multiply
3,418,583.04x = 5,127,979.52 × 1,174,689.28 - Step 4: Simplify right side
3,418,583.04x = 6,023,782,570,203.55 - Step 5: Solve for x
x = 6,023,782,570,203.55/3,418,583.04 - Step 6: Final answer
x = 1,762,069.99
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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.