Finding the Fourth Proportional to 5,638,746.12, 8,461,677.50 and 2,400,278.92
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Solution
The fourth proportional to 5,638,746.12, 8,461,677.50 and 2,400,278.92 is: 3,601,933.07
Step by Step Solution
- Step 1: Write the proportion equation
5,638,746.12 : 8,461,677.50 = 2,400,278.92 : x - Step 2: Convert to fraction form
5,638,746.12/8,461,677.50 = 2,400,278.92/x - Step 3: Cross multiply
5,638,746.12x = 8,461,677.50 × 2,400,278.92 - Step 4: Simplify right side
5,638,746.12x = 20,310,386,131,088.30 - Step 5: Solve for x
x = 20,310,386,131,088.30/5,638,746.12 - Step 6: Final answer
x = 3,601,933.07
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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.