Finding the Fourth Proportional to 3,806,395.39, 5,253,103.62 and 2,174,767.81
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Solution
The fourth proportional to 3,806,395.39, 5,253,103.62 and 2,174,767.81 is: 3,001,338.40
Step by Step Solution
- Step 1: Write the proportion equation
3,806,395.39 : 5,253,103.62 = 2,174,767.81 : x - Step 2: Convert to fraction form
3,806,395.39/5,253,103.62 = 2,174,767.81/x - Step 3: Cross multiply
3,806,395.39x = 5,253,103.62 × 2,174,767.81 - Step 4: Simplify right side
3,806,395.39x = 11,424,280,655,370.47 - Step 5: Solve for x
x = 11,424,280,655,370.47/3,806,395.39 - Step 6: Final answer
x = 3,001,338.40
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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.