Finding the Fourth Proportional to 5,561,104.20, 8,341,656.30 and 1,774,969.80
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Solution
The fourth proportional to 5,561,104.20, 8,341,656.30 and 1,774,969.80 is: 2,662,454.70
Step by Step Solution
- Step 1: Write the proportion equation
5,561,104.20 : 8,341,656.30 = 1,774,969.80 : x - Step 2: Convert to fraction form
5,561,104.20/8,341,656.30 = 1,774,969.80/x - Step 3: Cross multiply
5,561,104.20x = 8,341,656.30 × 1,774,969.80 - Step 4: Simplify right side
5,561,104.20x = 14,806,188,014,479.74 - Step 5: Solve for x
x = 14,806,188,014,479.74/5,561,104.20 - Step 6: Final answer
x = 2,662,454.70
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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.