Finding the Fourth Proportional to 2,039,228.20, 2,814,125.70 and 1,133,756.20
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Solution
The fourth proportional to 2,039,228.20, 2,814,125.70 and 1,133,756.20 is: 1,564,578.43
Step by Step Solution
- Step 1: Write the proportion equation
2,039,228.20 : 2,814,125.70 = 1,133,756.20 : x - Step 2: Convert to fraction form
2,039,228.20/2,814,125.70 = 1,133,756.20/x - Step 3: Cross multiply
2,039,228.20x = 2,814,125.70 × 1,133,756.20 - Step 4: Simplify right side
2,039,228.20x = 3,190,532,459,954.34 - Step 5: Solve for x
x = 3,190,532,459,954.34/2,039,228.20 - Step 6: Final answer
x = 1,564,578.43
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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.