Finding the Fourth Proportional to 2,637,422, 3,639,642.36 and 1,430,198.96
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Solution
The fourth proportional to 2,637,422, 3,639,642.36 and 1,430,198.96 is: 1,973,674.56
Step by Step Solution
- Step 1: Write the proportion equation
2,637,422 : 3,639,642.36 = 1,430,198.96 : x - Step 2: Convert to fraction form
2,637,422/3,639,642.36 = 1,430,198.96/x - Step 3: Cross multiply
2,637,422x = 3,639,642.36 × 1,430,198.96 - Step 4: Simplify right side
2,637,422x = 5,205,412,718,043.95 - Step 5: Solve for x
x = 5,205,412,718,043.95/2,637,422 - Step 6: Final answer
x = 1,973,674.56
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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.