Finding the Fourth Proportional to 1,488,438.18, 2,053,982.21 and 843,901.74
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Solution
The fourth proportional to 1,488,438.18, 2,053,982.21 and 843,901.74 is: 1,164,548.97
Step by Step Solution
- Step 1: Write the proportion equation
1,488,438.18 : 2,053,982.21 = 843,901.74 : x - Step 2: Convert to fraction form
1,488,438.18/2,053,982.21 = 843,901.74/x - Step 3: Cross multiply
1,488,438.18x = 2,053,982.21 × 843,901.74 - Step 4: Simplify right side
1,488,438.18x = 1,733,359,156,728.54 - Step 5: Solve for x
x = 1,733,359,156,728.54/1,488,438.18 - Step 6: Final answer
x = 1,164,548.97
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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.