Finding the Fourth Proportional to 2,299,699.28, 3,173,962.92 and 1,281,432.08
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Solution
The fourth proportional to 2,299,699.28, 3,173,962.92 and 1,281,432.08 is: 1,768,586.85
Step by Step Solution
- Step 1: Write the proportion equation
2,299,699.28 : 3,173,962.92 = 1,281,432.08 : x - Step 2: Convert to fraction form
2,299,699.28/3,173,962.92 = 1,281,432.08/x - Step 3: Cross multiply
2,299,699.28x = 3,173,962.92 × 1,281,432.08 - Step 4: Simplify right side
2,299,699.28x = 4,067,217,906,418.47 - Step 5: Solve for x
x = 4,067,217,906,418.47/2,299,699.28 - Step 6: Final answer
x = 1,768,586.85
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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.