Finding the Fourth Proportional to 5,781,344.40, 8,663,009.40 and 2,185,149.60
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Solution
The fourth proportional to 5,781,344.40, 8,663,009.40 and 2,185,149.60 is: 3,274,319.99
Step by Step Solution
- Step 1: Write the proportion equation
5,781,344.40 : 8,663,009.40 = 2,185,149.60 : x - Step 2: Convert to fraction form
5,781,344.40/8,663,009.40 = 2,185,149.60/x - Step 3: Cross multiply
5,781,344.40x = 8,663,009.40 × 2,185,149.60 - Step 4: Simplify right side
5,781,344.40x = 18,929,971,525,206.24 - Step 5: Solve for x
x = 18,929,971,525,206.24/5,781,344.40 - Step 6: Final answer
x = 3,274,319.99
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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.