Finding the Fourth Proportional to 2,074,899.80, 2,863,356.05 and 1,157,129.93
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Solution
The fourth proportional to 2,074,899.80, 2,863,356.05 and 1,157,129.93 is: 1,596,836.14
Step by Step Solution
- Step 1: Write the proportion equation
2,074,899.80 : 2,863,356.05 = 1,157,129.93 : x - Step 2: Convert to fraction form
2,074,899.80/2,863,356.05 = 1,157,129.93/x - Step 3: Cross multiply
2,074,899.80x = 2,863,356.05 × 1,157,129.93 - Step 4: Simplify right side
2,074,899.80x = 3,313,274,985,701.58 - Step 5: Solve for x
x = 3,313,274,985,701.58/2,074,899.80 - Step 6: Final answer
x = 1,596,836.14
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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.