Finding the Fourth Proportional to 2,140,218.28, 2,953,500.51 and 1,173,327.81
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Solution
The fourth proportional to 2,140,218.28, 2,953,500.51 and 1,173,327.81 is: 1,619,191.99
Step by Step Solution
- Step 1: Write the proportion equation
2,140,218.28 : 2,953,500.51 = 1,173,327.81 : x - Step 2: Convert to fraction form
2,140,218.28/2,953,500.51 = 1,173,327.81/x - Step 3: Cross multiply
2,140,218.28x = 2,953,500.51 × 1,173,327.81 - Step 4: Simplify right side
2,140,218.28x = 3,465,424,285,232.18 - Step 5: Solve for x
x = 3,465,424,285,232.18/2,140,218.28 - Step 6: Final answer
x = 1,619,191.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.