Finding the Fourth Proportional to 2,768,743.20, 4,153,114.80 and 875,632.80
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Solution
The fourth proportional to 2,768,743.20, 4,153,114.80 and 875,632.80 is: 1,313,449.20
Step by Step Solution
- Step 1: Write the proportion equation
2,768,743.20 : 4,153,114.80 = 875,632.80 : x - Step 2: Convert to fraction form
2,768,743.20/4,153,114.80 = 875,632.80/x - Step 3: Cross multiply
2,768,743.20x = 4,153,114.80 × 875,632.80 - Step 4: Simplify right side
2,768,743.20x = 3,636,603,541,045.44 - Step 5: Solve for x
x = 3,636,603,541,045.44/2,768,743.20 - Step 6: Final answer
x = 1,313,449.20
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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.