Finding the Fourth Proportional to 1,671,660.18, 2,306,891.34 and 907,713.95
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Solution
The fourth proportional to 1,671,660.18, 2,306,891.34 and 907,713.95 is: 1,252,645.40
Step by Step Solution
- Step 1: Write the proportion equation
1,671,660.18 : 2,306,891.34 = 907,713.95 : x - Step 2: Convert to fraction form
1,671,660.18/2,306,891.34 = 907,713.95/x - Step 3: Cross multiply
1,671,660.18x = 2,306,891.34 × 907,713.95 - Step 4: Simplify right side
1,671,660.18x = 2,093,997,438,917.74 - Step 5: Solve for x
x = 2,093,997,438,917.74/1,671,660.18 - Step 6: Final answer
x = 1,252,645.40
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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.