Finding the Fourth Proportional to 2,800,973.80, 4,201,460.70 and 779,213.80
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Solution
The fourth proportional to 2,800,973.80, 4,201,460.70 and 779,213.80 is: 1,168,820.70
Step by Step Solution
- Step 1: Write the proportion equation
2,800,973.80 : 4,201,460.70 = 779,213.80 : x - Step 2: Convert to fraction form
2,800,973.80/4,201,460.70 = 779,213.80/x - Step 3: Cross multiply
2,800,973.80x = 4,201,460.70 × 779,213.80 - Step 4: Simplify right side
2,800,973.80x = 3,273,836,157,597.66 - Step 5: Solve for x
x = 3,273,836,157,597.66/2,800,973.80 - Step 6: Final answer
x = 1,168,820.70
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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.