Finding the Fourth Proportional to 3,418,039.50, 4,717,474.53 and 1,968,574.14
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Solution
The fourth proportional to 3,418,039.50, 4,717,474.53 and 1,968,574.14 is: 2,716,966.37
Step by Step Solution
- Step 1: Write the proportion equation
3,418,039.50 : 4,717,474.53 = 1,968,574.14 : x - Step 2: Convert to fraction form
3,418,039.50/4,717,474.53 = 1,968,574.14/x - Step 3: Cross multiply
3,418,039.50x = 4,717,474.53 × 1,968,574.14 - Step 4: Simplify right side
3,418,039.50x = 9,286,698,358,484.50 - Step 5: Solve for x
x = 9,286,698,358,484.50/3,418,039.50 - Step 6: Final answer
x = 2,716,966.37
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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.