Finding the Fourth Proportional to 1,878,562.97, 2,592,661.40 and 1,051,951.32
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Solution
The fourth proportional to 1,878,562.97, 2,592,661.40 and 1,051,951.32 is: 1,451,829.74
Step by Step Solution
- Step 1: Write the proportion equation
1,878,562.97 : 2,592,661.40 = 1,051,951.32 : x - Step 2: Convert to fraction form
1,878,562.97/2,592,661.40 = 1,051,951.32/x - Step 3: Cross multiply
1,878,562.97x = 2,592,661.40 × 1,051,951.32 - Step 4: Simplify right side
1,878,562.97x = 2,727,353,582,043.05 - Step 5: Solve for x
x = 2,727,353,582,043.05/1,878,562.97 - Step 6: Final answer
x = 1,451,829.74
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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.