Finding the Fourth Proportional to 4,018,365, 5,545,345.86 and 2,207,645.64
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Solution
The fourth proportional to 4,018,365, 5,545,345.86 and 2,207,645.64 is: 3,046,552.17
Step by Step Solution
- Step 1: Write the proportion equation
4,018,365 : 5,545,345.86 = 2,207,645.64 : x - Step 2: Convert to fraction form
4,018,365/5,545,345.86 = 2,207,645.64/x - Step 3: Cross multiply
4,018,365x = 5,545,345.86 × 2,207,645.64 - Step 4: Simplify right side
4,018,365x = 12,242,158,610,121.05 - Step 5: Solve for x
x = 12,242,158,610,121.05/4,018,365 - Step 6: Final answer
x = 3,046,552.17
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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.