Finding the Fourth Proportional to 1,664,459.13, 2,296,943.97 and 900,496.29
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Solution
The fourth proportional to 1,664,459.13, 2,296,943.97 and 900,496.29 is: 1,242,679.67
Step by Step Solution
- Step 1: Write the proportion equation
1,664,459.13 : 2,296,943.97 = 900,496.29 : x - Step 2: Convert to fraction form
1,664,459.13/2,296,943.97 = 900,496.29/x - Step 3: Cross multiply
1,664,459.13x = 2,296,943.97 × 900,496.29 - Step 4: Simplify right side
1,664,459.13x = 2,068,389,523,322.87 - Step 5: Solve for x
x = 2,068,389,523,322.87/1,664,459.13 - Step 6: Final answer
x = 1,242,679.67
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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.