Finding the Fourth Proportional to 2,588,678.20, 3,572,351.62 and 1,411,276.91
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Solution
The fourth proportional to 2,588,678.20, 3,572,351.62 and 1,411,276.91 is: 1,947,548.89
Step by Step Solution
- Step 1: Write the proportion equation
2,588,678.20 : 3,572,351.62 = 1,411,276.91 : x - Step 2: Convert to fraction form
2,588,678.20/3,572,351.62 = 1,411,276.91/x - Step 3: Cross multiply
2,588,678.20x = 3,572,351.62 × 1,411,276.91 - Step 4: Simplify right side
2,588,678.20x = 5,041,577,351,372.50 - Step 5: Solve for x
x = 5,041,577,351,372.50/2,588,678.20 - Step 6: Final answer
x = 1,947,548.89
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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.