Finding the Fourth Proportional to 4,574,865.20, 6,854,424.60 and 2,976,605.60
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Solution
The fourth proportional to 4,574,865.20, 6,854,424.60 and 2,976,605.60 is: 4,459,785.75
Step by Step Solution
- Step 1: Write the proportion equation
4,574,865.20 : 6,854,424.60 = 2,976,605.60 : x - Step 2: Convert to fraction form
4,574,865.20/6,854,424.60 = 2,976,605.60/x - Step 3: Cross multiply
4,574,865.20x = 6,854,424.60 × 2,976,605.60 - Step 4: Simplify right side
4,574,865.20x = 20,402,918,649,137.76 - Step 5: Solve for x
x = 20,402,918,649,137.76/4,574,865.20 - Step 6: Final answer
x = 4,459,785.75
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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.