Finding the Fourth Proportional to 1,831,971.05, 2,528,071.20 and 1,057,575.68
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Solution
The fourth proportional to 1,831,971.05, 2,528,071.20 and 1,057,575.68 is: 1,459,426.24
Step by Step Solution
- Step 1: Write the proportion equation
1,831,971.05 : 2,528,071.20 = 1,057,575.68 : x - Step 2: Convert to fraction form
1,831,971.05/2,528,071.20 = 1,057,575.68/x - Step 3: Cross multiply
1,831,971.05x = 2,528,071.20 × 1,057,575.68 - Step 4: Simplify right side
1,831,971.05x = 2,673,626,605,788.06 - Step 5: Solve for x
x = 2,673,626,605,788.06/1,831,971.05 - Step 6: Final answer
x = 1,459,426.24
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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.