Finding the Fourth Proportional to 3,139,666.11, 4,331,502.74 and 1,814,214.08
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Solution
The fourth proportional to 3,139,666.11, 4,331,502.74 and 1,814,214.08 is: 2,502,900.95
Step by Step Solution
- Step 1: Write the proportion equation
3,139,666.11 : 4,331,502.74 = 1,814,214.08 : x - Step 2: Convert to fraction form
3,139,666.11/4,331,502.74 = 1,814,214.08/x - Step 3: Cross multiply
3,139,666.11x = 4,331,502.74 × 1,814,214.08 - Step 4: Simplify right side
3,139,666.11x = 7,858,273,273,830.87 - Step 5: Solve for x
x = 7,858,273,273,830.87/3,139,666.11 - Step 6: Final answer
x = 2,502,900.95
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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.