Finding the Fourth Proportional to 5,427,030.21, 8,138,816.89 and 1,782,914.21
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Solution
The fourth proportional to 5,427,030.21, 8,138,816.89 and 1,782,914.21 is: 2,673,803.48
Step by Step Solution
- Step 1: Write the proportion equation
5,427,030.21 : 8,138,816.89 = 1,782,914.21 : x - Step 2: Convert to fraction form
5,427,030.21/8,138,816.89 = 1,782,914.21/x - Step 3: Cross multiply
5,427,030.21x = 8,138,816.89 × 1,782,914.21 - Step 4: Simplify right side
5,427,030.21x = 14,510,812,276,854.44 - Step 5: Solve for x
x = 14,510,812,276,854.44/5,427,030.21 - Step 6: Final answer
x = 2,673,803.48
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1.5x scale
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.