Finding the Fourth Proportional to 1,457,531.16, 2,011,395.76 and 812,993.10
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Solution
The fourth proportional to 1,457,531.16, 2,011,395.76 and 812,993.10 is: 1,121,932.02
Step by Step Solution
- Step 1: Write the proportion equation
1,457,531.16 : 2,011,395.76 = 812,993.10 : x - Step 2: Convert to fraction form
1,457,531.16/2,011,395.76 = 812,993.10/x - Step 3: Cross multiply
1,457,531.16x = 2,011,395.76 × 812,993.10 - Step 4: Simplify right side
1,457,531.16x = 1,635,250,874,249.26 - Step 5: Solve for x
x = 1,635,250,874,249.26/1,457,531.16 - Step 6: Final answer
x = 1,121,932.02
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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.