Finding the Fourth Proportional to 2,759,921.97, 3,808,735.40 and 1,536,240.80
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Solution
The fourth proportional to 2,759,921.97, 3,808,735.40 and 1,536,240.80 is: 2,120,036.28
Step by Step Solution
- Step 1: Write the proportion equation
2,759,921.97 : 3,808,735.40 = 1,536,240.80 : x - Step 2: Convert to fraction form
2,759,921.97/3,808,735.40 = 1,536,240.80/x - Step 3: Cross multiply
2,759,921.97x = 3,808,735.40 × 1,536,240.80 - Step 4: Simplify right side
2,759,921.97x = 5,851,134,702,681.24 - Step 5: Solve for x
x = 5,851,134,702,681.24/2,759,921.97 - Step 6: Final answer
x = 2,120,036.28
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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.