Finding the Fourth Proportional to 2,107,588.59, 2,908,542.66 and 1,291,634.62
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Solution
The fourth proportional to 2,107,588.59, 2,908,542.66 and 1,291,634.62 is: 1,782,498.92
Step by Step Solution
- Step 1: Write the proportion equation
2,107,588.59 : 2,908,542.66 = 1,291,634.62 : x - Step 2: Convert to fraction form
2,107,588.59/2,908,542.66 = 1,291,634.62/x - Step 3: Cross multiply
2,107,588.59x = 2,908,542.66 × 1,291,634.62 - Step 4: Simplify right side
2,107,588.59x = 3,756,774,381,287.90 - Step 5: Solve for x
x = 3,756,774,381,287.90/2,107,588.59 - Step 6: Final answer
x = 1,782,498.92
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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.