Finding the Fourth Proportional to 1,435,971.84, 1,981,935.19 and 855,534.99
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Solution
The fourth proportional to 1,435,971.84, 1,981,935.19 and 855,534.99 is: 1,180,813.48
Step by Step Solution
- Step 1: Write the proportion equation
1,435,971.84 : 1,981,935.19 = 855,534.99 : x - Step 2: Convert to fraction form
1,435,971.84/1,981,935.19 = 855,534.99/x - Step 3: Cross multiply
1,435,971.84x = 1,981,935.19 × 855,534.99 - Step 4: Simplify right side
1,435,971.84x = 1,695,614,899,410.46 - Step 5: Solve for x
x = 1,695,614,899,410.46/1,435,971.84 - Step 6: Final answer
x = 1,180,813.48
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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.