Finding the Fourth Proportional to 2,086,139.04, 2,878,633.80 and 1,168,240.56
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Solution
The fourth proportional to 2,086,139.04, 2,878,633.80 and 1,168,240.56 is: 1,612,038.65
Step by Step Solution
- Step 1: Write the proportion equation
2,086,139.04 : 2,878,633.80 = 1,168,240.56 : x - Step 2: Convert to fraction form
2,086,139.04/2,878,633.80 = 1,168,240.56/x - Step 3: Cross multiply
2,086,139.04x = 2,878,633.80 × 1,168,240.56 - Step 4: Simplify right side
2,086,139.04x = 3,362,936,762,546.93 - Step 5: Solve for x
x = 3,362,936,762,546.93/2,086,139.04 - Step 6: Final answer
x = 1,612,038.65
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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.