Finding the Fourth Proportional to 1,716,513.12, 2,368,631.16 and 1,018,673.28
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Solution
The fourth proportional to 1,716,513.12, 2,368,631.16 and 1,018,673.28 is: 1,405,675.99
Step by Step Solution
- Step 1: Write the proportion equation
1,716,513.12 : 2,368,631.16 = 1,018,673.28 : x - Step 2: Convert to fraction form
1,716,513.12/2,368,631.16 = 1,018,673.28/x - Step 3: Cross multiply
1,716,513.12x = 2,368,631.16 × 1,018,673.28 - Step 4: Simplify right side
1,716,513.12x = 2,412,861,272,867.40 - Step 5: Solve for x
x = 2,412,861,272,867.40/1,716,513.12 - Step 6: Final answer
x = 1,405,675.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.