Finding the Fourth Proportional to 1,511,681.46, 2,086,119.99 and 832,617.96
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Solution
The fourth proportional to 1,511,681.46, 2,086,119.99 and 832,617.96 is: 1,149,012.55
Step by Step Solution
- Step 1: Write the proportion equation
1,511,681.46 : 2,086,119.99 = 832,617.96 : x - Step 2: Convert to fraction form
1,511,681.46/2,086,119.99 = 832,617.96/x - Step 3: Cross multiply
1,511,681.46x = 2,086,119.99 × 832,617.96 - Step 4: Simplify right side
1,511,681.46x = 1,736,940,970,389.02 - Step 5: Solve for x
x = 1,736,940,970,389.02/1,511,681.46 - Step 6: Final answer
x = 1,149,012.55
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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.