Finding the Fourth Proportional to 2,566,902.78, 3,542,353.84 and 1,421,002.26
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Solution
The fourth proportional to 2,566,902.78, 3,542,353.84 and 1,421,002.26 is: 1,960,998.62
Step by Step Solution
- Step 1: Write the proportion equation
2,566,902.78 : 3,542,353.84 = 1,421,002.26 : x - Step 2: Convert to fraction form
2,566,902.78/3,542,353.84 = 1,421,002.26/x - Step 3: Cross multiply
2,566,902.78x = 3,542,353.84 × 1,421,002.26 - Step 4: Simplify right side
2,566,902.78x = 5,033,692,812,359.68 - Step 5: Solve for x
x = 5,033,692,812,359.68/2,566,902.78 - Step 6: Final answer
x = 1,960,998.62
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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.