Finding the Fourth Proportional to 2,939,901.09, 4,408,480.22 and 1,118,605.04
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Solution
The fourth proportional to 2,939,901.09, 4,408,480.22 and 1,118,605.04 is: 1,677,385.75
Step by Step Solution
- Step 1: Write the proportion equation
2,939,901.09 : 4,408,480.22 = 1,118,605.04 : x - Step 2: Convert to fraction form
2,939,901.09/4,408,480.22 = 1,118,605.04/x - Step 3: Cross multiply
2,939,901.09x = 4,408,480.22 × 1,118,605.04 - Step 4: Simplify right side
2,939,901.09x = 4,931,348,199,147.41 - Step 5: Solve for x
x = 4,931,348,199,147.41/2,939,901.09 - Step 6: Final answer
x = 1,677,385.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.