Finding the Fourth Proportional to 2,877,585.97, 3,970,125.56 and 2,050,789.77
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Solution
The fourth proportional to 2,877,585.97, 3,970,125.56 and 2,050,789.77 is: 2,829,417.77
Step by Step Solution
- Step 1: Write the proportion equation
2,877,585.97 : 3,970,125.56 = 2,050,789.77 : x - Step 2: Convert to fraction form
2,877,585.97/3,970,125.56 = 2,050,789.77/x - Step 3: Cross multiply
2,877,585.97x = 3,970,125.56 × 2,050,789.77 - Step 4: Simplify right side
2,877,585.97x = 8,141,892,884,063.52 - Step 5: Solve for x
x = 8,141,892,884,063.52/2,877,585.97 - Step 6: Final answer
x = 2,829,417.77
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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.