Finding the Fourth Proportional to 4,169,784.08, 6,255,142.68 and 1,329,237.20
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Solution
The fourth proportional to 4,169,784.08, 6,255,142.68 and 1,329,237.20 is: 1,994,004.53
Step by Step Solution
- Step 1: Write the proportion equation
4,169,784.08 : 6,255,142.68 = 1,329,237.20 : x - Step 2: Convert to fraction form
4,169,784.08/6,255,142.68 = 1,329,237.20/x - Step 3: Cross multiply
4,169,784.08x = 6,255,142.68 × 1,329,237.20 - Step 4: Simplify right side
4,169,784.08x = 8,314,568,341,563.70 - Step 5: Solve for x
x = 8,314,568,341,563.70/4,169,784.08 - Step 6: Final answer
x = 1,994,004.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.