Finding the Fourth Proportional to 1,890,876.28, 2,609,425.94 and 1,031,440.36
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Solution
The fourth proportional to 1,890,876.28, 2,609,425.94 and 1,031,440.36 is: 1,423,396.79
Step by Step Solution
- Step 1: Write the proportion equation
1,890,876.28 : 2,609,425.94 = 1,031,440.36 : x - Step 2: Convert to fraction form
1,890,876.28/2,609,425.94 = 1,031,440.36/x - Step 3: Cross multiply
1,890,876.28x = 2,609,425.94 × 1,031,440.36 - Step 4: Simplify right side
1,890,876.28x = 2,691,467,230,946.94 - Step 5: Solve for x
x = 2,691,467,230,946.94/1,890,876.28 - Step 6: Final answer
x = 1,423,396.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.