Finding the Fourth Proportional to 3,644,305.65, 5,465,896.56 and 1,215,501.30
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Solution
The fourth proportional to 3,644,305.65, 5,465,896.56 and 1,215,501.30 is: 1,823,064.53
Step by Step Solution
- Step 1: Write the proportion equation
3,644,305.65 : 5,465,896.56 = 1,215,501.30 : x - Step 2: Convert to fraction form
3,644,305.65/5,465,896.56 = 1,215,501.30/x - Step 3: Cross multiply
3,644,305.65x = 5,465,896.56 × 1,215,501.30 - Step 4: Simplify right side
3,644,305.65x = 6,643,804,374,345.53 - Step 5: Solve for x
x = 6,643,804,374,345.53/3,644,305.65 - Step 6: Final answer
x = 1,823,064.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.