Finding the Fourth Proportional to 3,454,409.25, 5,176,496.34 and 1,402,574.70
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Solution
The fourth proportional to 3,454,409.25, 5,176,496.34 and 1,402,574.70 is: 2,101,784.21
Step by Step Solution
- Step 1: Write the proportion equation
3,454,409.25 : 5,176,496.34 = 1,402,574.70 : x - Step 2: Convert to fraction form
3,454,409.25/5,176,496.34 = 1,402,574.70/x - Step 3: Cross multiply
3,454,409.25x = 5,176,496.34 × 1,402,574.70 - Step 4: Simplify right side
3,454,409.25x = 7,260,422,801,126.60 - Step 5: Solve for x
x = 7,260,422,801,126.60/3,454,409.25 - Step 6: Final answer
x = 2,101,784.21
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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.