Finding the Fourth Proportional to 4,212,182.74, 6,319,225.41 and 1,333,724.42
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Solution
The fourth proportional to 4,212,182.74, 6,319,225.41 and 1,333,724.42 is: 2,000,887.84
Step by Step Solution
- Step 1: Write the proportion equation
4,212,182.74 : 6,319,225.41 = 1,333,724.42 : x - Step 2: Convert to fraction form
4,212,182.74/6,319,225.41 = 1,333,724.42/x - Step 3: Cross multiply
4,212,182.74x = 6,319,225.41 × 1,333,724.42 - Step 4: Simplify right side
4,212,182.74x = 8,428,105,244,801.51 - Step 5: Solve for x
x = 8,428,105,244,801.51/4,212,182.74 - Step 6: Final answer
x = 2,000,887.84
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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.