Finding the Fourth Proportional to 1,847,621.14, 2,549,690.26 and 1,031,816.19
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Solution
The fourth proportional to 1,847,621.14, 2,549,690.26 and 1,031,816.19 is: 1,423,891.31
Step by Step Solution
- Step 1: Write the proportion equation
1,847,621.14 : 2,549,690.26 = 1,031,816.19 : x - Step 2: Convert to fraction form
1,847,621.14/2,549,690.26 = 1,031,816.19/x - Step 3: Cross multiply
1,847,621.14x = 2,549,690.26 × 1,031,816.19 - Step 4: Simplify right side
1,847,621.14x = 2,630,811,689,753.31 - Step 5: Solve for x
x = 2,630,811,689,753.31/1,847,621.14 - Step 6: Final answer
x = 1,423,891.31
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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.