Finding the Fourth Proportional to 5,064,247.13, 6,988,660.83 and 2,772,407.81
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Solution
The fourth proportional to 5,064,247.13, 6,988,660.83 and 2,772,407.81 is: 3,825,922.66
Step by Step Solution
- Step 1: Write the proportion equation
5,064,247.13 : 6,988,660.83 = 2,772,407.81 : x - Step 2: Convert to fraction form
5,064,247.13/6,988,660.83 = 2,772,407.81/x - Step 3: Cross multiply
5,064,247.13x = 6,988,660.83 × 2,772,407.81 - Step 4: Simplify right side
5,064,247.13x = 19,375,417,866,533.08 - Step 5: Solve for x
x = 19,375,417,866,533.08/5,064,247.13 - Step 6: Final answer
x = 3,825,922.66
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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.