Finding the Fourth Proportional to 1,931,673.36, 2,665,575.84 and 1,072,165.98
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Solution
The fourth proportional to 1,931,673.36, 2,665,575.84 and 1,072,165.98 is: 1,479,515.01
Step by Step Solution
- Step 1: Write the proportion equation
1,931,673.36 : 2,665,575.84 = 1,072,165.98 : x - Step 2: Convert to fraction form
1,931,673.36/2,665,575.84 = 1,072,165.98/x - Step 3: Cross multiply
1,931,673.36x = 2,665,575.84 × 1,072,165.98 - Step 4: Simplify right side
1,931,673.36x = 2,857,939,732,757.92 - Step 5: Solve for x
x = 2,857,939,732,757.92/1,931,673.36 - Step 6: Final answer
x = 1,479,515.01
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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.