Finding the Fourth Proportional to 7,160,235.28, 9,881,124.74 and 3,897,073.74
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Solution
The fourth proportional to 7,160,235.28, 9,881,124.74 and 3,897,073.74 is: 5,377,961.79
Step by Step Solution
- Step 1: Write the proportion equation
7,160,235.28 : 9,881,124.74 = 3,897,073.74 : x - Step 2: Convert to fraction form
7,160,235.28/9,881,124.74 = 3,897,073.74/x - Step 3: Cross multiply
7,160,235.28x = 9,881,124.74 × 3,897,073.74 - Step 4: Simplify right side
7,160,235.28x = 38,507,471,745,918.33 - Step 5: Solve for x
x = 38,507,471,745,918.33/7,160,235.28 - Step 6: Final answer
x = 5,377,961.79
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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.