Finding the Fourth Proportional to 1,920,396.26, 2,880,595.35 and 500,448.74
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Solution
The fourth proportional to 1,920,396.26, 2,880,595.35 and 500,448.74 is: 750,673.36
Step by Step Solution
- Step 1: Write the proportion equation
1,920,396.26 : 2,880,595.35 = 500,448.74 : x - Step 2: Convert to fraction form
1,920,396.26/2,880,595.35 = 500,448.74/x - Step 3: Cross multiply
1,920,396.26x = 2,880,595.35 × 500,448.74 - Step 4: Simplify right side
1,920,396.26x = 1,441,590,313,357.36 - Step 5: Solve for x
x = 1,441,590,313,357.36/1,920,396.26 - Step 6: Final answer
x = 750,673.36
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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.