Finding the Fourth Proportional to 2,862,073.62, 3,949,756.29 and 1,572,959.70
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Solution
The fourth proportional to 2,862,073.62, 3,949,756.29 and 1,572,959.70 is: 2,170,736.43
Step by Step Solution
- Step 1: Write the proportion equation
2,862,073.62 : 3,949,756.29 = 1,572,959.70 : x - Step 2: Convert to fraction form
2,862,073.62/3,949,756.29 = 1,572,959.70/x - Step 3: Cross multiply
2,862,073.62x = 3,949,756.29 × 1,572,959.70 - Step 4: Simplify right side
2,862,073.62x = 6,212,807,468,991.51 - Step 5: Solve for x
x = 6,212,807,468,991.51/2,862,073.62 - Step 6: Final answer
x = 2,170,736.43
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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.