Finding the Fourth Proportional to 1,800,971.81, 2,485,400.36 and 985,156.84
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Solution
The fourth proportional to 1,800,971.81, 2,485,400.36 and 985,156.84 is: 1,359,548.86
Step by Step Solution
- Step 1: Write the proportion equation
1,800,971.81 : 2,485,400.36 = 985,156.84 : x - Step 2: Convert to fraction form
1,800,971.81/2,485,400.36 = 985,156.84/x - Step 3: Cross multiply
1,800,971.81x = 2,485,400.36 × 985,156.84 - Step 4: Simplify right side
1,800,971.81x = 2,448,509,164,792.46 - Step 5: Solve for x
x = 2,448,509,164,792.46/1,800,971.81 - Step 6: Final answer
x = 1,359,548.86
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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.