Finding the Fourth Proportional to 1,664,473.02, 2,296,971.99 and 939,472.80
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Solution
The fourth proportional to 1,664,473.02, 2,296,971.99 and 939,472.80 is: 1,296,472.03
Step by Step Solution
- Step 1: Write the proportion equation
1,664,473.02 : 2,296,971.99 = 939,472.80 : x - Step 2: Convert to fraction form
1,664,473.02/2,296,971.99 = 939,472.80/x - Step 3: Cross multiply
1,664,473.02x = 2,296,971.99 × 939,472.80 - Step 4: Simplify right side
1,664,473.02x = 2,157,942,706,966.87 - Step 5: Solve for x
x = 2,157,942,706,966.87/1,664,473.02 - Step 6: Final answer
x = 1,296,472.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.