Finding the Fourth Proportional to 1,400,648.28, 2,101,267.68 and 453,945.18
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Solution
The fourth proportional to 1,400,648.28, 2,101,267.68 and 453,945.18 is: 681,013.46
Step by Step Solution
- Step 1: Write the proportion equation
1,400,648.28 : 2,101,267.68 = 453,945.18 : x - Step 2: Convert to fraction form
1,400,648.28/2,101,267.68 = 453,945.18/x - Step 3: Cross multiply
1,400,648.28x = 2,101,267.68 × 453,945.18 - Step 4: Simplify right side
1,400,648.28x = 953,860,335,225.78 - Step 5: Solve for x
x = 953,860,335,225.78/1,400,648.28 - Step 6: Final answer
x = 681,013.46
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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.