Finding the Fourth Proportional to 1,881,028.38, 2,595,988.44 and 1,065,430.44
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Solution
The fourth proportional to 1,881,028.38, 2,595,988.44 and 1,065,430.44 is: 1,470,389.89
Step by Step Solution
- Step 1: Write the proportion equation
1,881,028.38 : 2,595,988.44 = 1,065,430.44 : x - Step 2: Convert to fraction form
1,881,028.38/2,595,988.44 = 1,065,430.44/x - Step 3: Cross multiply
1,881,028.38x = 2,595,988.44 × 1,065,430.44 - Step 4: Simplify right side
1,881,028.38x = 2,765,845,105,864.11 - Step 5: Solve for x
x = 2,765,845,105,864.11/1,881,028.38 - Step 6: Final answer
x = 1,470,389.89
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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.