Finding the Fourth Proportional to 5,572,682.16, 7,690,357.09 and 3,125,240.66
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Solution
The fourth proportional to 5,572,682.16, 7,690,357.09 and 3,125,240.66 is: 4,312,863.36
Step by Step Solution
- Step 1: Write the proportion equation
5,572,682.16 : 7,690,357.09 = 3,125,240.66 : x - Step 2: Convert to fraction form
5,572,682.16/7,690,357.09 = 3,125,240.66/x - Step 3: Cross multiply
5,572,682.16x = 7,690,357.09 × 3,125,240.66 - Step 4: Simplify right side
5,572,682.16x = 24,034,216,690,719.72 - Step 5: Solve for x
x = 24,034,216,690,719.72/5,572,682.16 - Step 6: Final answer
x = 4,312,863.36
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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.