Finding the Fourth Proportional to 4,756,579.20, 6,564,045.96 and 2,581,067.07
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Solution
The fourth proportional to 4,756,579.20, 6,564,045.96 and 2,581,067.07 is: 3,561,854.47
Step by Step Solution
- Step 1: Write the proportion equation
4,756,579.20 : 6,564,045.96 = 2,581,067.07 : x - Step 2: Convert to fraction form
4,756,579.20/6,564,045.96 = 2,581,067.07/x - Step 3: Cross multiply
4,756,579.20x = 6,564,045.96 × 2,581,067.07 - Step 4: Simplify right side
4,756,579.20x = 16,942,242,873,322.54 - Step 5: Solve for x
x = 16,942,242,873,322.54/4,756,579.20 - Step 6: Final answer
x = 3,561,854.47
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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.