Finding the Fourth Proportional to 2,107,588.97, 2,908,543.17 and 1,291,634.99
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Solution
The fourth proportional to 2,107,588.97, 2,908,543.17 and 1,291,634.99 is: 1,782,499.44
Step by Step Solution
- Step 1: Write the proportion equation
2,107,588.97 : 2,908,543.17 = 1,291,634.99 : x - Step 2: Convert to fraction form
2,107,588.97/2,908,543.17 = 1,291,634.99/x - Step 3: Cross multiply
2,107,588.97x = 2,908,543.17 × 1,291,634.99 - Step 4: Simplify right side
2,107,588.97x = 3,756,776,140,412.51 - Step 5: Solve for x
x = 3,756,776,140,412.51/2,107,588.97 - Step 6: Final answer
x = 1,782,499.44
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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.