Finding the Fourth Proportional to 4,138,349.24, 5,707,686.66 and 2,688,511.82
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Solution
The fourth proportional to 4,138,349.24, 5,707,686.66 and 2,688,511.82 is: 3,708,044.48
Step by Step Solution
- Step 1: Write the proportion equation
4,138,349.24 : 5,707,686.66 = 2,688,511.82 : x - Step 2: Convert to fraction form
4,138,349.24/5,707,686.66 = 2,688,511.82/x - Step 3: Cross multiply
4,138,349.24x = 5,707,686.66 × 2,688,511.82 - Step 4: Simplify right side
4,138,349.24x = 15,345,183,021,727.89 - Step 5: Solve for x
x = 15,345,183,021,727.89/4,138,349.24 - Step 6: Final answer
x = 3,708,044.48
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1.5x scale
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.