Finding the Fourth Proportional to 2,121,303.36, 2,927,465.03 and 1,203,571.13
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Solution
The fourth proportional to 2,121,303.36, 2,927,465.03 and 1,203,571.13 is: 1,660,965.83
Step by Step Solution
- Step 1: Write the proportion equation
2,121,303.36 : 2,927,465.03 = 1,203,571.13 : x - Step 2: Convert to fraction form
2,121,303.36/2,927,465.03 = 1,203,571.13/x - Step 3: Cross multiply
2,121,303.36x = 2,927,465.03 × 1,203,571.13 - Step 4: Simplify right side
2,121,303.36x = 3,523,412,394,192.58 - Step 5: Solve for x
x = 3,523,412,394,192.58/2,121,303.36 - Step 6: Final answer
x = 1,660,965.83
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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.