Finding the Fourth Proportional to 1,881,119.62, 2,595,963.81 and 1,021,696.66
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Solution
The fourth proportional to 1,881,119.62, 2,595,963.81 and 1,021,696.66 is: 1,409,951.57
Step by Step Solution
- Step 1: Write the proportion equation
1,881,119.62 : 2,595,963.81 = 1,021,696.66 : x - Step 2: Convert to fraction form
1,881,119.62/2,595,963.81 = 1,021,696.66/x - Step 3: Cross multiply
1,881,119.62x = 2,595,963.81 × 1,021,696.66 - Step 4: Simplify right side
1,881,119.62x = 2,652,287,554,157.87 - Step 5: Solve for x
x = 2,652,287,554,157.87/1,881,119.62 - Step 6: Final answer
x = 1,409,951.57
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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.