Finding the Fourth Proportional to 1,660,966.16, 2,292,048.52 and 935,856.72
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Solution
The fourth proportional to 1,660,966.16, 2,292,048.52 and 935,856.72 is: 1,291,434.50
Step by Step Solution
- Step 1: Write the proportion equation
1,660,966.16 : 2,292,048.52 = 935,856.72 : x - Step 2: Convert to fraction form
1,660,966.16/2,292,048.52 = 935,856.72/x - Step 3: Cross multiply
1,660,966.16x = 2,292,048.52 × 935,856.72 - Step 4: Simplify right side
1,660,966.16x = 2,145,029,010,008.05 - Step 5: Solve for x
x = 2,145,029,010,008.05/1,660,966.16 - Step 6: Final answer
x = 1,291,434.50
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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.