Finding the Fourth Proportional to 1,403,535.99, 1,936,767.92 and 791,492.43
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Solution
The fourth proportional to 1,403,535.99, 1,936,767.92 and 791,492.43 is: 1,092,196.53
Step by Step Solution
- Step 1: Write the proportion equation
1,403,535.99 : 1,936,767.92 = 791,492.43 : x - Step 2: Convert to fraction form
1,403,535.99/1,936,767.92 = 791,492.43/x - Step 3: Cross multiply
1,403,535.99x = 1,936,767.92 × 791,492.43 - Step 4: Simplify right side
1,403,535.99x = 1,532,937,143,389.38 - Step 5: Solve for x
x = 1,532,937,143,389.38/1,403,535.99 - Step 6: Final answer
x = 1,092,196.53
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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.