Finding the Fourth Proportional to 1,997,698.42, 2,996,575.23 and 649,868.09
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Solution
The fourth proportional to 1,997,698.42, 2,996,575.23 and 649,868.09 is: 974,811.12
Step by Step Solution
- Step 1: Write the proportion equation
1,997,698.42 : 2,996,575.23 = 649,868.09 : x - Step 2: Convert to fraction form
1,997,698.42/2,996,575.23 = 649,868.09/x - Step 3: Cross multiply
1,997,698.42x = 2,996,575.23 × 649,868.09 - Step 4: Simplify right side
1,997,698.42x = 1,947,378,621,261.41 - Step 5: Solve for x
x = 1,947,378,621,261.41/1,997,698.42 - Step 6: Final answer
x = 974,811.12
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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.