Finding the Fourth Proportional to 4,269,134.97, 6,404,152.01 and 1,390,727.07
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Solution
The fourth proportional to 4,269,134.97, 6,404,152.01 and 1,390,727.07 is: 2,086,237.05
Step by Step Solution
- Step 1: Write the proportion equation
4,269,134.97 : 6,404,152.01 = 1,390,727.07 : x - Step 2: Convert to fraction form
4,269,134.97/6,404,152.01 = 1,390,727.07/x - Step 3: Cross multiply
4,269,134.97x = 6,404,152.01 × 1,390,727.07 - Step 4: Simplify right side
4,269,134.97x = 8,906,427,553,748.28 - Step 5: Solve for x
x = 8,906,427,553,748.28/4,269,134.97 - Step 6: Final answer
x = 2,086,237.05
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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.