Finding the Fourth Proportional to 4,373,376.80, 6,553,921.20 and 3,476,352.80
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Solution
The fourth proportional to 4,373,376.80, 6,553,921.20 and 3,476,352.80 is: 5,209,645.40
Step by Step Solution
- Step 1: Write the proportion equation
4,373,376.80 : 6,553,921.20 = 3,476,352.80 : x - Step 2: Convert to fraction form
4,373,376.80/6,553,921.20 = 3,476,352.80/x - Step 3: Cross multiply
4,373,376.80x = 6,553,921.20 × 3,476,352.80 - Step 4: Simplify right side
4,373,376.80x = 22,783,742,314,599.36 - Step 5: Solve for x
x = 22,783,742,314,599.36/4,373,376.80 - Step 6: Final answer
x = 5,209,645.40
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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.