Finding the Fourth Proportional to 4,893,969.40, 7,341,990.90 and 1,481,975.80
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Solution
The fourth proportional to 4,893,969.40, 7,341,990.90 and 1,481,975.80 is: 2,223,277.66
Step by Step Solution
- Step 1: Write the proportion equation
4,893,969.40 : 7,341,990.90 = 1,481,975.80 : x - Step 2: Convert to fraction form
4,893,969.40/7,341,990.90 = 1,481,975.80/x - Step 3: Cross multiply
4,893,969.40x = 7,341,990.90 × 1,481,975.80 - Step 4: Simplify right side
4,893,969.40x = 10,880,652,837,620.22 - Step 5: Solve for x
x = 10,880,652,837,620.22/4,893,969.40 - Step 6: Final answer
x = 2,223,277.66
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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.