Finding the Fourth Proportional to 1,465,217.15, 2,020,887.76 and 1,283,613.80
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Solution
The fourth proportional to 1,465,217.15, 2,020,887.76 and 1,283,613.80 is: 1,770,412.95
Step by Step Solution
- Step 1: Write the proportion equation
1,465,217.15 : 2,020,887.76 = 1,283,613.80 : x - Step 2: Convert to fraction form
1,465,217.15/2,020,887.76 = 1,283,613.80/x - Step 3: Cross multiply
1,465,217.15x = 2,020,887.76 × 1,283,613.80 - Step 4: Simplify right side
1,465,217.15x = 2,594,039,410,727.18 - Step 5: Solve for x
x = 2,594,039,410,727.18/1,465,217.15 - Step 6: Final answer
x = 1,770,412.95
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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.