Finding the Fourth Proportional to 2,127,857.09, 2,933,012.50 and 1,439,277.84
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Solution
The fourth proportional to 2,127,857.09, 2,933,012.50 and 1,439,277.84 is: 1,983,883.18
Step by Step Solution
- Step 1: Write the proportion equation
2,127,857.09 : 2,933,012.50 = 1,439,277.84 : x - Step 2: Convert to fraction form
2,127,857.09/2,933,012.50 = 1,439,277.84/x - Step 3: Cross multiply
2,127,857.09x = 2,933,012.50 × 1,439,277.84 - Step 4: Simplify right side
2,127,857.09x = 4,221,419,895,693.00 - Step 5: Solve for x
x = 4,221,419,895,693.00/2,127,857.09 - Step 6: Final answer
x = 1,983,883.18
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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.