Finding the Fourth Proportional to 4,207,905.10, 6,312,982.11 and 1,512,253.67
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Solution
The fourth proportional to 4,207,905.10, 6,312,982.11 and 1,512,253.67 is: 2,268,784.61
Step by Step Solution
- Step 1: Write the proportion equation
4,207,905.10 : 6,312,982.11 = 1,512,253.67 : x - Step 2: Convert to fraction form
4,207,905.10/6,312,982.11 = 1,512,253.67/x - Step 3: Cross multiply
4,207,905.10x = 6,312,982.11 × 1,512,253.67 - Step 4: Simplify right side
4,207,905.10x = 9,546,830,335,762.41 - Step 5: Solve for x
x = 9,546,830,335,762.41/4,207,905.10 - Step 6: Final answer
x = 2,268,784.61
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1.5x scale
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.