Finding the Fourth Proportional to 5,686,989.71, 8,530,484.58 and 1,900,472.58
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Solution
The fourth proportional to 5,686,989.71, 8,530,484.58 and 1,900,472.58 is: 2,850,708.88
Step by Step Solution
- Step 1: Write the proportion equation
5,686,989.71 : 8,530,484.58 = 1,900,472.58 : x - Step 2: Convert to fraction form
5,686,989.71/8,530,484.58 = 1,900,472.58/x - Step 3: Cross multiply
5,686,989.71x = 8,530,484.58 × 1,900,472.58 - Step 4: Simplify right side
5,686,989.71x = 16,211,952,038,402.82 - Step 5: Solve for x
x = 16,211,952,038,402.82/5,686,989.71 - Step 6: Final answer
x = 2,850,708.88
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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.