Finding the Fourth Proportional to 1,788,170.93, 2,467,499.15 and 1,013,648.99
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Solution
The fourth proportional to 1,788,170.93, 2,467,499.15 and 1,013,648.99 is: 1,398,735.41
Step by Step Solution
- Step 1: Write the proportion equation
1,788,170.93 : 2,467,499.15 = 1,013,648.99 : x - Step 2: Convert to fraction form
1,788,170.93/2,467,499.15 = 1,013,648.99/x - Step 3: Cross multiply
1,788,170.93x = 2,467,499.15 × 1,013,648.99 - Step 4: Simplify right side
1,788,170.93x = 2,501,178,011,419.99 - Step 5: Solve for x
x = 2,501,178,011,419.99/1,788,170.93 - Step 6: Final answer
x = 1,398,735.41
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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.