Finding the Fourth Proportional to 1,660,748.95, 2,291,840.54 and 935,605.36
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Solution
The fourth proportional to 1,660,748.95, 2,291,840.54 and 935,605.36 is: 1,291,139.33
Step by Step Solution
- Step 1: Write the proportion equation
1,660,748.95 : 2,291,840.54 = 935,605.36 : x - Step 2: Convert to fraction form
1,660,748.95/2,291,840.54 = 935,605.36/x - Step 3: Cross multiply
1,660,748.95x = 2,291,840.54 × 935,605.36 - Step 4: Simplify right side
1,660,748.95x = 2,144,258,284,369.11 - Step 5: Solve for x
x = 2,144,258,284,369.11/1,660,748.95 - Step 6: Final answer
x = 1,291,139.33
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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.