Finding the Fourth Proportional to 3,873,898.71, 5,342,265.09 and 2,565,073.98
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Solution
The fourth proportional to 3,873,898.71, 5,342,265.09 and 2,565,073.98 is: 3,537,342.15
Step by Step Solution
- Step 1: Write the proportion equation
3,873,898.71 : 5,342,265.09 = 2,565,073.98 : x - Step 2: Convert to fraction form
3,873,898.71/5,342,265.09 = 2,565,073.98/x - Step 3: Cross multiply
3,873,898.71x = 5,342,265.09 × 2,565,073.98 - Step 4: Simplify right side
3,873,898.71x = 13,703,305,176,621.36 - Step 5: Solve for x
x = 13,703,305,176,621.36/3,873,898.71 - Step 6: Final answer
x = 3,537,342.15
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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.