Finding the Fourth Proportional to 2,988,631.59, 4,124,629.35 and 1,827,757.00
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Solution
The fourth proportional to 2,988,631.59, 4,124,629.35 and 1,827,757.00 is: 2,522,498.99
Step by Step Solution
- Step 1: Write the proportion equation
2,988,631.59 : 4,124,629.35 = 1,827,757.00 : x - Step 2: Convert to fraction form
2,988,631.59/4,124,629.35 = 1,827,757.00/x - Step 3: Cross multiply
2,988,631.59x = 4,124,629.35 × 1,827,757.00 - Step 4: Simplify right side
2,988,631.59x = 7,538,820,172,023.74 - Step 5: Solve for x
x = 7,538,820,172,023.74/2,988,631.59 - Step 6: Final answer
x = 2,522,498.99
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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.