Finding the Fourth Proportional to 2,076,911.18, 2,866,281.41 and 1,159,318.90
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Solution
The fourth proportional to 2,076,911.18, 2,866,281.41 and 1,159,318.90 is: 1,599,940.45
Step by Step Solution
- Step 1: Write the proportion equation
2,076,911.18 : 2,866,281.41 = 1,159,318.90 : x - Step 2: Convert to fraction form
2,076,911.18/2,866,281.41 = 1,159,318.90/x - Step 3: Cross multiply
2,076,911.18x = 2,866,281.41 × 1,159,318.90 - Step 4: Simplify right side
2,076,911.18x = 3,322,934,211,331.65 - Step 5: Solve for x
x = 3,322,934,211,331.65/2,076,911.18 - Step 6: Final answer
x = 1,599,940.45
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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.