Finding the Fourth Proportional to 4,685,930.75, 7,029,050.79 and 1,611,890.74
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Solution
The fourth proportional to 4,685,930.75, 7,029,050.79 and 1,611,890.74 is: 2,417,889.31
Step by Step Solution
- Step 1: Write the proportion equation
4,685,930.75 : 7,029,050.79 = 1,611,890.74 : x - Step 2: Convert to fraction form
4,685,930.75/7,029,050.79 = 1,611,890.74/x - Step 3: Cross multiply
4,685,930.75x = 7,029,050.79 × 1,611,890.74 - Step 4: Simplify right side
4,685,930.75x = 11,330,061,885,154.70 - Step 5: Solve for x
x = 11,330,061,885,154.70/4,685,930.75 - Step 6: Final answer
x = 2,417,889.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.