Finding the Fourth Proportional to 1,507,636.18, 2,261,731.29 and 496,817.74
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Solution
The fourth proportional to 1,507,636.18, 2,261,731.29 and 496,817.74 is: 745,317.90
Step by Step Solution
- Step 1: Write the proportion equation
1,507,636.18 : 2,261,731.29 = 496,817.74 : x - Step 2: Convert to fraction form
1,507,636.18/2,261,731.29 = 496,817.74/x - Step 3: Cross multiply
1,507,636.18x = 2,261,731.29 × 496,817.74 - Step 4: Simplify right side
1,507,636.18x = 1,123,668,227,985.08 - Step 5: Solve for x
x = 1,123,668,227,985.08/1,507,636.18 - Step 6: Final answer
x = 745,317.90
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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.