Finding the Fourth Proportional to 1,385,324.70, 2,076,237.45 and 673,820.70
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Solution
The fourth proportional to 1,385,324.70, 2,076,237.45 and 673,820.70 is: 1,009,880.05
Step by Step Solution
- Step 1: Write the proportion equation
1,385,324.70 : 2,076,237.45 = 673,820.70 : x - Step 2: Convert to fraction form
1,385,324.70/2,076,237.45 = 673,820.70/x - Step 3: Cross multiply
1,385,324.70x = 2,076,237.45 × 673,820.70 - Step 4: Simplify right side
1,385,324.70x = 1,399,011,771,925.21 - Step 5: Solve for x
x = 1,399,011,771,925.21/1,385,324.70 - Step 6: Final answer
x = 1,009,880.05
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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.