Finding the Fourth Proportional to 4,928,657.76, 6,801,547.79 and 2,753,201.07
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Solution
The fourth proportional to 4,928,657.76, 6,801,547.79 and 2,753,201.07 is: 3,799,417.52
Step by Step Solution
- Step 1: Write the proportion equation
4,928,657.76 : 6,801,547.79 = 2,753,201.07 : x - Step 2: Convert to fraction form
4,928,657.76/6,801,547.79 = 2,753,201.07/x - Step 3: Cross multiply
4,928,657.76x = 6,801,547.79 × 2,753,201.07 - Step 4: Simplify right side
4,928,657.76x = 18,726,028,659,967.14 - Step 5: Solve for x
x = 18,726,028,659,967.14/4,928,657.76 - Step 6: Final answer
x = 3,799,417.52
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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.