Finding the Fourth Proportional to 1,716,578.10, 2,368,635.69 and 1,028,088.63
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Solution
The fourth proportional to 1,716,578.10, 2,368,635.69 and 1,028,088.63 is: 1,418,617.32
Step by Step Solution
- Step 1: Write the proportion equation
1,716,578.10 : 2,368,635.69 = 1,028,088.63 : x - Step 2: Convert to fraction form
1,716,578.10/2,368,635.69 = 1,028,088.63/x - Step 3: Cross multiply
1,716,578.10x = 2,368,635.69 × 1,028,088.63 - Step 4: Simplify right side
1,716,578.10x = 2,435,167,421,501.20 - Step 5: Solve for x
x = 2,435,167,421,501.20/1,716,578.10 - Step 6: Final answer
x = 1,418,617.32
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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.