Finding the Fourth Proportional to 6,873,518.16, 9,484,400.62 and 3,972,348.75
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Solution
The fourth proportional to 6,873,518.16, 9,484,400.62 and 3,972,348.75 is: 5,481,231.90
Step by Step Solution
- Step 1: Write the proportion equation
6,873,518.16 : 9,484,400.62 = 3,972,348.75 : x - Step 2: Convert to fraction form
6,873,518.16/9,484,400.62 = 3,972,348.75/x - Step 3: Cross multiply
6,873,518.16x = 9,484,400.62 × 3,972,348.75 - Step 4: Simplify right side
6,873,518.16x = 37,675,346,947,356.22 - Step 5: Solve for x
x = 37,675,346,947,356.22/6,873,518.16 - Step 6: Final answer
x = 5,481,231.90
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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.