Finding the Fourth Proportional to 1,425,702.06, 1,966,212.63 and 881,751.42
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Solution
The fourth proportional to 1,425,702.06, 1,966,212.63 and 881,751.42 is: 1,216,040.03
Step by Step Solution
- Step 1: Write the proportion equation
1,425,702.06 : 1,966,212.63 = 881,751.42 : x - Step 2: Convert to fraction form
1,425,702.06/1,966,212.63 = 881,751.42/x - Step 3: Cross multiply
1,425,702.06x = 1,966,212.63 × 881,751.42 - Step 4: Simplify right side
1,425,702.06x = 1,733,710,778,524.43 - Step 5: Solve for x
x = 1,733,710,778,524.43/1,425,702.06 - Step 6: Final answer
x = 1,216,040.03
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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.