Finding the Fourth Proportional to 3,474,807.60, 4,793,612.40 and 2,186,358.24
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Solution
The fourth proportional to 3,474,807.60, 4,793,612.40 and 2,186,358.24 is: 3,016,153.75
Step by Step Solution
- Step 1: Write the proportion equation
3,474,807.60 : 4,793,612.40 = 2,186,358.24 : x - Step 2: Convert to fraction form
3,474,807.60/4,793,612.40 = 2,186,358.24/x - Step 3: Cross multiply
3,474,807.60x = 4,793,612.40 × 2,186,358.24 - Step 4: Simplify right side
3,474,807.60x = 10,480,553,970,106.18 - Step 5: Solve for x
x = 10,480,553,970,106.18/3,474,807.60 - Step 6: Final answer
x = 3,016,153.75
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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.