Finding the Fourth Proportional to 4,612,105.80, 6,918,158.70 and 4,402,153.80
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Solution
The fourth proportional to 4,612,105.80, 6,918,158.70 and 4,402,153.80 is: 6,603,230.70
Step by Step Solution
- Step 1: Write the proportion equation
4,612,105.80 : 6,918,158.70 = 4,402,153.80 : x - Step 2: Convert to fraction form
4,612,105.80/6,918,158.70 = 4,402,153.80/x - Step 3: Cross multiply
4,612,105.80x = 6,918,158.70 × 4,402,153.80 - Step 4: Simplify right side
4,612,105.80x = 30,454,798,610,208.06 - Step 5: Solve for x
x = 30,454,798,610,208.06/4,612,105.80 - Step 6: Final answer
x = 6,603,230.70
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1.5x scale
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.