Finding the Fourth Proportional to 4,516,256.79, 6,776,279.51 and 2,811,826.71
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Solution
The fourth proportional to 4,516,256.79, 6,776,279.51 and 2,811,826.71 is: 4,218,919.47
Step by Step Solution
- Step 1: Write the proportion equation
4,516,256.79 : 6,776,279.51 = 2,811,826.71 : x - Step 2: Convert to fraction form
4,516,256.79/6,776,279.51 = 2,811,826.71/x - Step 3: Cross multiply
4,516,256.79x = 6,776,279.51 × 2,811,826.71 - Step 4: Simplify right side
4,516,256.79x = 19,053,723,706,584.58 - Step 5: Solve for x
x = 19,053,723,706,584.58/4,516,256.79 - Step 6: Final answer
x = 4,218,919.47
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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.