Finding the Fourth Proportional to 3,580,695.36, 4,941,422.64 and 1,949,149.68
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Solution
The fourth proportional to 3,580,695.36, 4,941,422.64 and 1,949,149.68 is: 2,689,860.88
Step by Step Solution
- Step 1: Write the proportion equation
3,580,695.36 : 4,941,422.64 = 1,949,149.68 : x - Step 2: Convert to fraction form
3,580,695.36/4,941,422.64 = 1,949,149.68/x - Step 3: Cross multiply
3,580,695.36x = 4,941,422.64 × 1,949,149.68 - Step 4: Simplify right side
3,580,695.36x = 9,631,572,357,500.75 - Step 5: Solve for x
x = 9,631,572,357,500.75/3,580,695.36 - Step 6: Final answer
x = 2,689,860.88
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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.