Finding the Fourth Proportional to 2,109,268.34, 2,911,045.97 and 1,191,536.18
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Solution
The fourth proportional to 2,109,268.34, 2,911,045.97 and 1,191,536.18 is: 1,644,464.35
Step by Step Solution
- Step 1: Write the proportion equation
2,109,268.34 : 2,911,045.97 = 1,191,536.18 : x - Step 2: Convert to fraction form
2,109,268.34/2,911,045.97 = 1,191,536.18/x - Step 3: Cross multiply
2,109,268.34x = 2,911,045.97 × 1,191,536.18 - Step 4: Simplify right side
2,109,268.34x = 3,468,616,594,898.20 - Step 5: Solve for x
x = 3,468,616,594,898.20/2,109,268.34 - Step 6: Final answer
x = 1,644,464.35
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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.