Finding the Fourth Proportional to 2,041,200.69, 2,816,857.21 and 1,110,911.95
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Solution
The fourth proportional to 2,041,200.69, 2,816,857.21 and 1,110,911.95 is: 1,533,058.63
Step by Step Solution
- Step 1: Write the proportion equation
2,041,200.69 : 2,816,857.21 = 1,110,911.95 : x - Step 2: Convert to fraction form
2,041,200.69/2,816,857.21 = 1,110,911.95/x - Step 3: Cross multiply
2,041,200.69x = 2,816,857.21 × 1,110,911.95 - Step 4: Simplify right side
2,041,200.69x = 3,129,280,326,213.24 - Step 5: Solve for x
x = 3,129,280,326,213.24/2,041,200.69 - Step 6: Final answer
x = 1,533,058.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.