Finding the Fourth Proportional to 5,417,864.22, 7,475,599.80 and 3,212,319.63
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Solution
The fourth proportional to 5,417,864.22, 7,475,599.80 and 3,212,319.63 is: 4,432,376.86
Step by Step Solution
- Step 1: Write the proportion equation
5,417,864.22 : 7,475,599.80 = 3,212,319.63 : x - Step 2: Convert to fraction form
5,417,864.22/7,475,599.80 = 3,212,319.63/x - Step 3: Cross multiply
5,417,864.22x = 7,475,599.80 × 3,212,319.63 - Step 4: Simplify right side
5,417,864.22x = 24,014,015,983,564.07 - Step 5: Solve for x
x = 24,014,015,983,564.07/5,417,864.22 - Step 6: Final answer
x = 4,432,376.86
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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.