Finding the Fourth Proportional to 1,664,795.70, 2,497,193.55 and 720,011.70
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Solution
The fourth proportional to 1,664,795.70, 2,497,193.55 and 720,011.70 is: 1,080,017.55
Step by Step Solution
- Step 1: Write the proportion equation
1,664,795.70 : 2,497,193.55 = 720,011.70 : x - Step 2: Convert to fraction form
1,664,795.70/2,497,193.55 = 720,011.70/x - Step 3: Cross multiply
1,664,795.70x = 2,497,193.55 × 720,011.70 - Step 4: Simplify right side
1,664,795.70x = 1,798,008,573,164.53 - Step 5: Solve for x
x = 1,798,008,573,164.53/1,664,795.70 - Step 6: Final answer
x = 1,080,017.55
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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.