Finding the Fourth Proportional to 4,151,036.70, 6,226,555.05 and 3,311,228.70
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Solution
The fourth proportional to 4,151,036.70, 6,226,555.05 and 3,311,228.70 is: 4,966,843.05
Step by Step Solution
- Step 1: Write the proportion equation
4,151,036.70 : 6,226,555.05 = 3,311,228.70 : x - Step 2: Convert to fraction form
4,151,036.70/6,226,555.05 = 3,311,228.70/x - Step 3: Cross multiply
4,151,036.70x = 6,226,555.05 × 3,311,228.70 - Step 4: Simplify right side
4,151,036.70x = 20,617,547,783,689.93 - Step 5: Solve for x
x = 20,617,547,783,689.93/4,151,036.70 - Step 6: Final answer
x = 4,966,843.05
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Double scale
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Similar ratio
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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.