Finding the Fourth Proportional to 2,546,689.98, 3,819,619.80 and 749,153.07
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Solution
The fourth proportional to 2,546,689.98, 3,819,619.80 and 749,153.07 is: 1,123,607.47
Step by Step Solution
- Step 1: Write the proportion equation
2,546,689.98 : 3,819,619.80 = 749,153.07 : x - Step 2: Convert to fraction form
2,546,689.98/3,819,619.80 = 749,153.07/x - Step 3: Cross multiply
2,546,689.98x = 3,819,619.80 × 749,153.07 - Step 4: Simplify right side
2,546,689.98x = 2,861,479,899,402.79 - Step 5: Solve for x
x = 2,861,479,899,402.79/2,546,689.98 - Step 6: Final answer
x = 1,123,607.47
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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.