Finding the Fourth Proportional to 1,541,969.16, 2,128,140.09 and 888,470.00
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Solution
The fourth proportional to 1,541,969.16, 2,128,140.09 and 888,470.00 is: 1,226,216.88
Step by Step Solution
- Step 1: Write the proportion equation
1,541,969.16 : 2,128,140.09 = 888,470.00 : x - Step 2: Convert to fraction form
1,541,969.16/2,128,140.09 = 888,470.00/x - Step 3: Cross multiply
1,541,969.16x = 2,128,140.09 × 888,470.00 - Step 4: Simplify right side
1,541,969.16x = 1,890,788,615,121.60 - Step 5: Solve for x
x = 1,890,788,615,121.60/1,541,969.16 - Step 6: Final answer
x = 1,226,216.88
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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.