Finding the Fourth Proportional to 2,862,808.88, 3,950,684.46 and 1,639,133.18
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Solution
The fourth proportional to 2,862,808.88, 3,950,684.46 and 1,639,133.18 is: 2,262,008.48
Step by Step Solution
- Step 1: Write the proportion equation
2,862,808.88 : 3,950,684.46 = 1,639,133.18 : x - Step 2: Convert to fraction form
2,862,808.88/3,950,684.46 = 1,639,133.18/x - Step 3: Cross multiply
2,862,808.88x = 3,950,684.46 × 1,639,133.18 - Step 4: Simplify right side
2,862,808.88x = 6,475,697,962,342.96 - Step 5: Solve for x
x = 6,475,697,962,342.96/2,862,808.88 - Step 6: Final answer
x = 2,262,008.48
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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.