Finding the Fourth Proportional to 2,486,812.56, 3,730,218.63 and 689,696.01
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Solution
The fourth proportional to 2,486,812.56, 3,730,218.63 and 689,696.01 is: 1,034,543.95
Step by Step Solution
- Step 1: Write the proportion equation
2,486,812.56 : 3,730,218.63 = 689,696.01 : x - Step 2: Convert to fraction form
2,486,812.56/3,730,218.63 = 689,696.01/x - Step 3: Cross multiply
2,486,812.56x = 3,730,218.63 × 689,696.01 - Step 4: Simplify right side
2,486,812.56x = 2,572,716,886,887.57 - Step 5: Solve for x
x = 2,572,716,886,887.57/2,486,812.56 - Step 6: Final answer
x = 1,034,543.95
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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.