Finding the Fourth Proportional to 6,782,230.98, 10,174,752.63 and 1,990,076.58
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Solution
The fourth proportional to 6,782,230.98, 10,174,752.63 and 1,990,076.58 is: 2,985,527.47
Step by Step Solution
- Step 1: Write the proportion equation
6,782,230.98 : 10,174,752.63 = 1,990,076.58 : x - Step 2: Convert to fraction form
6,782,230.98/10,174,752.63 = 1,990,076.58/x - Step 3: Cross multiply
6,782,230.98x = 10,174,752.63 × 1,990,076.58 - Step 4: Simplify right side
6,782,230.98x = 20,248,536,916,256.41 - Step 5: Solve for x
x = 20,248,536,916,256.41/6,782,230.98 - Step 6: Final answer
x = 2,985,527.47
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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.