Finding the Fourth Proportional to 6,873,544.17, 9,484,436.49 and 3,972,374.75
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Solution
The fourth proportional to 6,873,544.17, 9,484,436.49 and 3,972,374.75 is: 5,481,267.75
Step by Step Solution
- Step 1: Write the proportion equation
6,873,544.17 : 9,484,436.49 = 3,972,374.75 : x - Step 2: Convert to fraction form
6,873,544.17/9,484,436.49 = 3,972,374.75/x - Step 3: Cross multiply
6,873,544.17x = 9,484,436.49 × 3,972,374.75 - Step 4: Simplify right side
6,873,544.17x = 37,675,735,983,432.45 - Step 5: Solve for x
x = 37,675,735,983,432.45/6,873,544.17 - Step 6: Final answer
x = 5,481,267.75
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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.