Finding the Fourth Proportional to 3,254,391.36, 4,490,131.68 and 1,877,626.08
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Solution
The fourth proportional to 3,254,391.36, 4,490,131.68 and 1,877,626.08 is: 2,590,588.35
Step by Step Solution
- Step 1: Write the proportion equation
3,254,391.36 : 4,490,131.68 = 1,877,626.08 : x - Step 2: Convert to fraction form
3,254,391.36/4,490,131.68 = 1,877,626.08/x - Step 3: Cross multiply
3,254,391.36x = 4,490,131.68 × 1,877,626.08 - Step 4: Simplify right side
3,254,391.36x = 8,430,788,345,002.21 - Step 5: Solve for x
x = 8,430,788,345,002.21/3,254,391.36 - Step 6: Final answer
x = 2,590,588.35
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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.