Finding the Fourth Proportional to 1,585,398.10, 2,378,097.15 and 1,018,527.70
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Solution
The fourth proportional to 1,585,398.10, 2,378,097.15 and 1,018,527.70 is: 1,527,791.55
Step by Step Solution
- Step 1: Write the proportion equation
1,585,398.10 : 2,378,097.15 = 1,018,527.70 : x - Step 2: Convert to fraction form
1,585,398.10/2,378,097.15 = 1,018,527.70/x - Step 3: Cross multiply
1,585,398.10x = 2,378,097.15 × 1,018,527.70 - Step 4: Simplify right side
1,585,398.10x = 2,422,157,820,566.05 - Step 5: Solve for x
x = 2,422,157,820,566.05/1,585,398.10 - Step 6: Final answer
x = 1,527,791.55
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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.