Finding the Fourth Proportional to 4,842,857.36, 6,682,129.32 and 2,805,545.36
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Solution
The fourth proportional to 4,842,857.36, 6,682,129.32 and 2,805,545.36 is: 3,871,065.26
Step by Step Solution
- Step 1: Write the proportion equation
4,842,857.36 : 6,682,129.32 = 2,805,545.36 : x - Step 2: Convert to fraction form
4,842,857.36/6,682,129.32 = 2,805,545.36/x - Step 3: Cross multiply
4,842,857.36x = 6,682,129.32 × 2,805,545.36 - Step 4: Simplify right side
4,842,857.36x = 18,747,016,908,645.96 - Step 5: Solve for x
x = 18,747,016,908,645.96/4,842,857.36 - Step 6: Final answer
x = 3,871,065.26
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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.