Finding the Fourth Proportional to 2,137,406.82, 2,949,630.84 and 1,170,543.84
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Solution
The fourth proportional to 2,137,406.82, 2,949,630.84 and 1,170,543.84 is: 1,615,355.66
Step by Step Solution
- Step 1: Write the proportion equation
2,137,406.82 : 2,949,630.84 = 1,170,543.84 : x - Step 2: Convert to fraction form
2,137,406.82/2,949,630.84 = 1,170,543.84/x - Step 3: Cross multiply
2,137,406.82x = 2,949,630.84 × 1,170,543.84 - Step 4: Simplify right side
2,137,406.82x = 3,452,672,210,036.03 - Step 5: Solve for x
x = 3,452,672,210,036.03/2,137,406.82 - Step 6: Final answer
x = 1,615,355.66
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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.