Finding the Fourth Proportional to 1,957,679.05, 2,701,615.53 and 1,098,257.76
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Solution
The fourth proportional to 1,957,679.05, 2,701,615.53 and 1,098,257.76 is: 1,515,606.06
Step by Step Solution
- Step 1: Write the proportion equation
1,957,679.05 : 2,701,615.53 = 1,098,257.76 : x - Step 2: Convert to fraction form
1,957,679.05/2,701,615.53 = 1,098,257.76/x - Step 3: Cross multiply
1,957,679.05x = 2,701,615.53 × 1,098,257.76 - Step 4: Simplify right side
1,957,679.05x = 2,967,070,225,898.07 - Step 5: Solve for x
x = 2,967,070,225,898.07/1,957,679.05 - Step 6: Final answer
x = 1,515,606.06
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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.