Finding the Fourth Proportional to 2,170,307.20, 3,254,182.08 and 890,533.12
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Solution
The fourth proportional to 2,170,307.20, 3,254,182.08 and 890,533.12 is: 1,335,274.99
Step by Step Solution
- Step 1: Write the proportion equation
2,170,307.20 : 3,254,182.08 = 890,533.12 : x - Step 2: Convert to fraction form
2,170,307.20/3,254,182.08 = 890,533.12/x - Step 3: Cross multiply
2,170,307.20x = 3,254,182.08 × 890,533.12 - Step 4: Simplify right side
2,170,307.20x = 2,897,956,920,750.49 - Step 5: Solve for x
x = 2,897,956,920,750.49/2,170,307.20 - Step 6: Final answer
x = 1,335,274.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.