Finding the Fourth Proportional to 2,042,117.12, 2,818,214.40 and 1,136,756.48
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Solution
The fourth proportional to 2,042,117.12, 2,818,214.40 and 1,136,756.48 is: 1,568,775.59
Step by Step Solution
- Step 1: Write the proportion equation
2,042,117.12 : 2,818,214.40 = 1,136,756.48 : x - Step 2: Convert to fraction form
2,042,117.12/2,818,214.40 = 1,136,756.48/x - Step 3: Cross multiply
2,042,117.12x = 2,818,214.40 × 1,136,756.48 - Step 4: Simplify right side
2,042,117.12x = 3,203,623,481,229.31 - Step 5: Solve for x
x = 3,203,623,481,229.31/2,042,117.12 - Step 6: Final answer
x = 1,568,775.59
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1.5x scale
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.