Finding the Fourth Proportional to 1,678,250.75, 2,316,153.29 and 1,024,840.76
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Solution
The fourth proportional to 1,678,250.75, 2,316,153.29 and 1,024,840.76 is: 1,414,382.38
Step by Step Solution
- Step 1: Write the proportion equation
1,678,250.75 : 2,316,153.29 = 1,024,840.76 : x - Step 2: Convert to fraction form
1,678,250.75/2,316,153.29 = 1,024,840.76/x - Step 3: Cross multiply
1,678,250.75x = 2,316,153.29 × 1,024,840.76 - Step 4: Simplify right side
1,678,250.75x = 2,373,688,281,295.13 - Step 5: Solve for x
x = 2,373,688,281,295.13/1,678,250.75 - Step 6: Final answer
x = 1,414,382.38
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1.5x scale
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.