Finding the Fourth Proportional to 2,970,647.84, 4,099,490.52 and 1,612,520.84
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Solution
The fourth proportional to 2,970,647.84, 4,099,490.52 and 1,612,520.84 is: 2,225,276.86
Step by Step Solution
- Step 1: Write the proportion equation
2,970,647.84 : 4,099,490.52 = 1,612,520.84 : x - Step 2: Convert to fraction form
2,970,647.84/4,099,490.52 = 1,612,520.84/x - Step 3: Cross multiply
2,970,647.84x = 4,099,490.52 × 1,612,520.84 - Step 4: Simplify right side
2,970,647.84x = 6,610,513,896,882.44 - Step 5: Solve for x
x = 6,610,513,896,882.44/2,970,647.84 - Step 6: Final answer
x = 2,225,276.86
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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.