Finding the Fourth Proportional to 2,991,972.74, 4,487,678.64 and 970,234.17
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Solution
The fourth proportional to 2,991,972.74, 4,487,678.64 and 970,234.17 is: 1,455,260.30
Step by Step Solution
- Step 1: Write the proportion equation
2,991,972.74 : 4,487,678.64 = 970,234.17 : x - Step 2: Convert to fraction form
2,991,972.74/4,487,678.64 = 970,234.17/x - Step 3: Cross multiply
2,991,972.74x = 4,487,678.64 × 970,234.17 - Step 4: Simplify right side
2,991,972.74x = 4,354,099,146,332.25 - Step 5: Solve for x
x = 4,354,099,146,332.25/2,991,972.74 - Step 6: Final answer
x = 1,455,260.30
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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.