Finding the Fourth Proportional to 4,187,431.63, 6,277,714.68 and 1,490,220.93
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Solution
The fourth proportional to 4,187,431.63, 6,277,714.68 and 1,490,220.93 is: 2,234,109.74
Step by Step Solution
- Step 1: Write the proportion equation
4,187,431.63 : 6,277,714.68 = 1,490,220.93 : x - Step 2: Convert to fraction form
4,187,431.63/6,277,714.68 = 1,490,220.93/x - Step 3: Cross multiply
4,187,431.63x = 6,277,714.68 × 1,490,220.93 - Step 4: Simplify right side
4,187,431.63x = 9,355,181,808,704.25 - Step 5: Solve for x
x = 9,355,181,808,704.25/4,187,431.63 - Step 6: Final answer
x = 2,234,109.74
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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.