Finding the Fourth Proportional to 1,660,964.16, 2,292,045.76 and 935,854.72
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Solution
The fourth proportional to 1,660,964.16, 2,292,045.76 and 935,854.72 is: 1,291,431.74
Step by Step Solution
- Step 1: Write the proportion equation
1,660,964.16 : 2,292,045.76 = 935,854.72 : x - Step 2: Convert to fraction form
1,660,964.16/2,292,045.76 = 935,854.72/x - Step 3: Cross multiply
1,660,964.16x = 2,292,045.76 × 935,854.72 - Step 4: Simplify right side
1,660,964.16x = 2,145,021,842,951.99 - Step 5: Solve for x
x = 2,145,021,842,951.99/1,660,964.16 - Step 6: Final answer
x = 1,291,431.74
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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.