Finding the Fourth Proportional to 1,576,541.92, 2,175,627.84 and 851,389.59
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Solution
The fourth proportional to 1,576,541.92, 2,175,627.84 and 851,389.59 is: 1,174,917.63
Step by Step Solution
- Step 1: Write the proportion equation
1,576,541.92 : 2,175,627.84 = 851,389.59 : x - Step 2: Convert to fraction form
1,576,541.92/2,175,627.84 = 851,389.59/x - Step 3: Cross multiply
1,576,541.92x = 2,175,627.84 × 851,389.59 - Step 4: Simplify right side
1,576,541.92x = 1,852,306,894,690.19 - Step 5: Solve for x
x = 1,852,306,894,690.19/1,576,541.92 - Step 6: Final answer
x = 1,174,917.63
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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.