Finding the Fourth Proportional to 1,513,913.64, 2,268,299.70 and 913,613.28
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Solution
The fourth proportional to 1,513,913.64, 2,268,299.70 and 913,613.28 is: 1,368,868.52
Step by Step Solution
- Step 1: Write the proportion equation
1,513,913.64 : 2,268,299.70 = 913,613.28 : x - Step 2: Convert to fraction form
1,513,913.64/2,268,299.70 = 913,613.28/x - Step 3: Cross multiply
1,513,913.64x = 2,268,299.70 × 913,613.28 - Step 4: Simplify right side
1,513,913.64x = 2,072,348,728,940.02 - Step 5: Solve for x
x = 2,072,348,728,940.02/1,513,913.64 - Step 6: Final answer
x = 1,368,868.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.