Finding the Fourth Proportional to 5,031,107.40, 6,942,173.36 and 2,825,885.60
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Solution
The fourth proportional to 5,031,107.40, 6,942,173.36 and 2,825,885.60 is: 3,899,298.14
Step by Step Solution
- Step 1: Write the proportion equation
5,031,107.40 : 6,942,173.36 = 2,825,885.60 : x - Step 2: Convert to fraction form
5,031,107.40/6,942,173.36 = 2,825,885.60/x - Step 3: Cross multiply
5,031,107.40x = 6,942,173.36 × 2,825,885.60 - Step 4: Simplify right side
5,031,107.40x = 19,617,787,730,727.62 - Step 5: Solve for x
x = 19,617,787,730,727.62/5,031,107.40 - Step 6: Final answer
x = 3,899,298.14
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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.