Finding the Fourth Proportional to 4,736,372.20, 7,105,005.72 and 1,324,657.68
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Solution
The fourth proportional to 4,736,372.20, 7,105,005.72 and 1,324,657.68 is: 1,987,111.65
Step by Step Solution
- Step 1: Write the proportion equation
4,736,372.20 : 7,105,005.72 = 1,324,657.68 : x - Step 2: Convert to fraction form
4,736,372.20/7,105,005.72 = 1,324,657.68/x - Step 3: Cross multiply
4,736,372.20x = 7,105,005.72 × 1,324,657.68 - Step 4: Simplify right side
4,736,372.20x = 9,411,700,393,441.93 - Step 5: Solve for x
x = 9,411,700,393,441.93/4,736,372.20 - Step 6: Final answer
x = 1,987,111.65
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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.