Finding the Fourth Proportional to 7,246,390.55, 10,869,585.83 and 2,197,952.15
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Solution
The fourth proportional to 7,246,390.55, 10,869,585.83 and 2,197,952.15 is: 3,296,928.23
Step by Step Solution
- Step 1: Write the proportion equation
7,246,390.55 : 10,869,585.83 = 2,197,952.15 : x - Step 2: Convert to fraction form
7,246,390.55/10,869,585.83 = 2,197,952.15/x - Step 3: Cross multiply
7,246,390.55x = 10,869,585.83 × 2,197,952.15 - Step 4: Simplify right side
7,246,390.55x = 23,890,829,533,668.27 - Step 5: Solve for x
x = 23,890,829,533,668.27/7,246,390.55 - Step 6: Final answer
x = 3,296,928.23
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.