Finding the Fourth Proportional to 1,537,440.44, 2,121,683.72 and 849,129.57
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Solution
The fourth proportional to 1,537,440.44, 2,121,683.72 and 849,129.57 is: 1,171,807.60
Step by Step Solution
- Step 1: Write the proportion equation
1,537,440.44 : 2,121,683.72 = 849,129.57 : x - Step 2: Convert to fraction form
1,537,440.44/2,121,683.72 = 849,129.57/x - Step 3: Cross multiply
1,537,440.44x = 2,121,683.72 × 849,129.57 - Step 4: Simplify right side
1,537,440.44x = 1,801,584,380,593.95 - Step 5: Solve for x
x = 1,801,584,380,593.95/1,537,440.44 - Step 6: Final answer
x = 1,171,807.60
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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.