Finding the Fourth Proportional to 2,946,816.70, 4,420,225.05 and 2,238,228.70
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Solution
The fourth proportional to 2,946,816.70, 4,420,225.05 and 2,238,228.70 is: 3,357,343.05
Step by Step Solution
- Step 1: Write the proportion equation
2,946,816.70 : 4,420,225.05 = 2,238,228.70 : x - Step 2: Convert to fraction form
2,946,816.70/4,420,225.05 = 2,238,228.70/x - Step 3: Cross multiply
2,946,816.70x = 4,420,225.05 × 2,238,228.70 - Step 4: Simplify right side
2,946,816.70x = 9,893,474,567,368.94 - Step 5: Solve for x
x = 9,893,474,567,368.94/2,946,816.70 - Step 6: Final answer
x = 3,357,343.05
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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.