Finding the Fourth Proportional to 2,828,759.68, 3,903,633.84 and 1,539,628.48
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Solution
The fourth proportional to 2,828,759.68, 3,903,633.84 and 1,539,628.48 is: 2,124,657.63
Step by Step Solution
- Step 1: Write the proportion equation
2,828,759.68 : 3,903,633.84 = 1,539,628.48 : x - Step 2: Convert to fraction form
2,828,759.68/3,903,633.84 = 1,539,628.48/x - Step 3: Cross multiply
2,828,759.68x = 3,903,633.84 × 1,539,628.48 - Step 4: Simplify right side
2,828,759.68x = 6,010,145,835,555.76 - Step 5: Solve for x
x = 6,010,145,835,555.76/2,828,759.68 - Step 6: Final answer
x = 2,124,657.63
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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.