Finding the Fourth Proportional to 2,882,388.08, 3,977,148.12 and 1,808,816.24
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Solution
The fourth proportional to 2,882,388.08, 3,977,148.12 and 1,808,816.24 is: 2,495,822.88
Step by Step Solution
- Step 1: Write the proportion equation
2,882,388.08 : 3,977,148.12 = 1,808,816.24 : x - Step 2: Convert to fraction form
2,882,388.08/3,977,148.12 = 1,808,816.24/x - Step 3: Cross multiply
2,882,388.08x = 3,977,148.12 × 1,808,816.24 - Step 4: Simplify right side
2,882,388.08x = 7,193,930,108,341.47 - Step 5: Solve for x
x = 7,193,930,108,341.47/2,882,388.08 - Step 6: Final answer
x = 2,495,822.88
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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.