Finding the Fourth Proportional to 2,391,394.88, 3,300,092.94 and 1,303,649.12
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Solution
The fourth proportional to 2,391,394.88, 3,300,092.94 and 1,303,649.12 is: 1,799,018.34
Step by Step Solution
- Step 1: Write the proportion equation
2,391,394.88 : 3,300,092.94 = 1,303,649.12 : x - Step 2: Convert to fraction form
2,391,394.88/3,300,092.94 = 1,303,649.12/x - Step 3: Cross multiply
2,391,394.88x = 3,300,092.94 × 1,303,649.12 - Step 4: Simplify right side
2,391,394.88x = 4,302,163,257,149.21 - Step 5: Solve for x
x = 4,302,163,257,149.21/2,391,394.88 - Step 6: Final answer
x = 1,799,018.34
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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.