Finding the Fourth Proportional to 4,427,864.91, 6,643,896.89 and 2,634,291.63
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Solution
The fourth proportional to 4,427,864.91, 6,643,896.89 and 2,634,291.63 is: 3,952,686.52
Step by Step Solution
- Step 1: Write the proportion equation
4,427,864.91 : 6,643,896.89 = 2,634,291.63 : x - Step 2: Convert to fraction form
4,427,864.91/6,643,896.89 = 2,634,291.63/x - Step 3: Cross multiply
4,427,864.91x = 6,643,896.89 × 2,634,291.63 - Step 4: Simplify right side
4,427,864.91x = 17,501,961,954,738.57 - Step 5: Solve for x
x = 17,501,961,954,738.57/4,427,864.91 - Step 6: Final answer
x = 3,952,686.52
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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.