Finding the Fourth Proportional to 2,786,343.84, 3,845,574.78 and 1,699,246.02
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Solution
The fourth proportional to 2,786,343.84, 3,845,574.78 and 1,699,246.02 is: 2,345,215.81
Step by Step Solution
- Step 1: Write the proportion equation
2,786,343.84 : 3,845,574.78 = 1,699,246.02 : x - Step 2: Convert to fraction form
2,786,343.84/3,845,574.78 = 1,699,246.02/x - Step 3: Cross multiply
2,786,343.84x = 3,845,574.78 × 1,699,246.02 - Step 4: Simplify right side
2,786,343.84x = 6,534,577,639,527.38 - Step 5: Solve for x
x = 6,534,577,639,527.38/2,786,343.84 - Step 6: Final answer
x = 2,345,215.81
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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.