Finding the Fourth Proportional to 2,832,729.78, 3,909,044.70 and 1,609,031.46
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Solution
The fourth proportional to 2,832,729.78, 3,909,044.70 and 1,609,031.46 is: 2,220,393.89
Step by Step Solution
- Step 1: Write the proportion equation
2,832,729.78 : 3,909,044.70 = 1,609,031.46 : x - Step 2: Convert to fraction form
2,832,729.78/3,909,044.70 = 1,609,031.46/x - Step 3: Cross multiply
2,832,729.78x = 3,909,044.70 × 1,609,031.46 - Step 4: Simplify right side
2,832,729.78x = 6,289,775,900,846.26 - Step 5: Solve for x
x = 6,289,775,900,846.26/2,832,729.78 - Step 6: Final answer
x = 2,220,393.89
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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.