Finding the Fourth Proportional to 2,876,430.80, 4,310,534.04 and 2,112,276.80
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Solution
The fourth proportional to 2,876,430.80, 4,310,534.04 and 2,112,276.80 is: 3,165,395.48
Step by Step Solution
- Step 1: Write the proportion equation
2,876,430.80 : 4,310,534.04 = 2,112,276.80 : x - Step 2: Convert to fraction form
2,876,430.80/4,310,534.04 = 2,112,276.80/x - Step 3: Cross multiply
2,876,430.80x = 4,310,534.04 × 2,112,276.80 - Step 4: Simplify right side
2,876,430.80x = 9,105,041,048,302.27 - Step 5: Solve for x
x = 9,105,041,048,302.27/2,876,430.80 - Step 6: Final answer
x = 3,165,395.48
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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.