Finding the Fourth Proportional to 4,145,318.24, 5,720,550.68 and 2,403,325.35
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Solution
The fourth proportional to 4,145,318.24, 5,720,550.68 and 2,403,325.35 is: 3,316,595.66
Step by Step Solution
- Step 1: Write the proportion equation
4,145,318.24 : 5,720,550.68 = 2,403,325.35 : x - Step 2: Convert to fraction form
4,145,318.24/5,720,550.68 = 2,403,325.35/x - Step 3: Cross multiply
4,145,318.24x = 5,720,550.68 × 2,403,325.35 - Step 4: Simplify right side
4,145,318.24x = 13,748,344,471,212.05 - Step 5: Solve for x
x = 13,748,344,471,212.05/4,145,318.24 - Step 6: Final answer
x = 3,316,595.66
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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.