Finding the Fourth Proportional to 2,820,342.40, 4,232,932.80 and 1,138,652.80
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Solution
The fourth proportional to 2,820,342.40, 4,232,932.80 and 1,138,652.80 is: 1,708,955.90
Step by Step Solution
- Step 1: Write the proportion equation
2,820,342.40 : 4,232,932.80 = 1,138,652.80 : x - Step 2: Convert to fraction form
2,820,342.40/4,232,932.80 = 1,138,652.80/x - Step 3: Cross multiply
2,820,342.40x = 4,232,932.80 × 1,138,652.80 - Step 4: Simplify right side
2,820,342.40x = 4,819,840,784,931.84 - Step 5: Solve for x
x = 4,819,840,784,931.84/2,820,342.40 - Step 6: Final answer
x = 1,708,955.90
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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.