Finding the Fourth Proportional to 1,445,040.07, 2,158,771.18 and 935,449.63
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Solution
The fourth proportional to 1,445,040.07, 2,158,771.18 and 935,449.63 is: 1,397,484.91
Step by Step Solution
- Step 1: Write the proportion equation
1,445,040.07 : 2,158,771.18 = 935,449.63 : x - Step 2: Convert to fraction form
1,445,040.07/2,158,771.18 = 935,449.63/x - Step 3: Cross multiply
1,445,040.07x = 2,158,771.18 × 935,449.63 - Step 4: Simplify right side
1,445,040.07x = 2,019,421,695,604.08 - Step 5: Solve for x
x = 2,019,421,695,604.08/1,445,040.07 - Step 6: Final answer
x = 1,397,484.91
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.