Finding the Fourth Proportional to 2,488,612.48, 3,432,451.52 and 1,876,790.99
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Solution
The fourth proportional to 2,488,612.48, 3,432,451.52 and 1,876,790.99 is: 2,588,588.68
Step by Step Solution
- Step 1: Write the proportion equation
2,488,612.48 : 3,432,451.52 = 1,876,790.99 : x - Step 2: Convert to fraction form
2,488,612.48/3,432,451.52 = 1,876,790.99/x - Step 3: Cross multiply
2,488,612.48x = 3,432,451.52 × 1,876,790.99 - Step 4: Simplify right side
2,488,612.48x = 6,441,994,076,963.85 - Step 5: Solve for x
x = 6,441,994,076,963.85/2,488,612.48 - Step 6: Final answer
x = 2,588,588.68
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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.