Finding the Fourth Proportional to 1,847,198.10, 2,549,108.79 and 1,031,415.42
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Solution
The fourth proportional to 1,847,198.10, 2,549,108.79 and 1,031,415.42 is: 1,423,339.55
Step by Step Solution
- Step 1: Write the proportion equation
1,847,198.10 : 2,549,108.79 = 1,031,415.42 : x - Step 2: Convert to fraction form
1,847,198.10/2,549,108.79 = 1,031,415.42/x - Step 3: Cross multiply
1,847,198.10x = 2,549,108.79 × 1,031,415.42 - Step 4: Simplify right side
1,847,198.10x = 2,629,190,113,263.54 - Step 5: Solve for x
x = 2,629,190,113,263.54/1,847,198.10 - Step 6: Final answer
x = 1,423,339.55
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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.