Finding the Fourth Proportional to 1,935,490.14, 2,670,683.34 and 1,108,435.08
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Solution
The fourth proportional to 1,935,490.14, 2,670,683.34 and 1,108,435.08 is: 1,529,472.58
Step by Step Solution
- Step 1: Write the proportion equation
1,935,490.14 : 2,670,683.34 = 1,108,435.08 : x - Step 2: Convert to fraction form
1,935,490.14/2,670,683.34 = 1,108,435.08/x - Step 3: Cross multiply
1,935,490.14x = 2,670,683.34 × 1,108,435.08 - Step 4: Simplify right side
1,935,490.14x = 2,960,279,101,627.57 - Step 5: Solve for x
x = 2,960,279,101,627.57/1,935,490.14 - Step 6: Final answer
x = 1,529,472.58
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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.