Finding the Fourth Proportional to 2,760,987.78, 3,808,214.93 and 2,392,798.84
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Solution
The fourth proportional to 2,760,987.78, 3,808,214.93 and 2,392,798.84 is: 3,300,373.99
Step by Step Solution
- Step 1: Write the proportion equation
2,760,987.78 : 3,808,214.93 = 2,392,798.84 : x - Step 2: Convert to fraction form
2,760,987.78/3,808,214.93 = 2,392,798.84/x - Step 3: Cross multiply
2,760,987.78x = 3,808,214.93 × 2,392,798.84 - Step 4: Simplify right side
2,760,987.78x = 9,112,292,263,436.14 - Step 5: Solve for x
x = 9,112,292,263,436.14/2,760,987.78 - Step 6: Final answer
x = 3,300,373.99
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1.5x scale
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.