Finding the Fourth Proportional to 2,600,486.30, 3,900,741.60 and 917,589.80
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Solution
The fourth proportional to 2,600,486.30, 3,900,741.60 and 917,589.80 is: 1,376,388.99
Step by Step Solution
- Step 1: Write the proportion equation
2,600,486.30 : 3,900,741.60 = 917,589.80 : x - Step 2: Convert to fraction form
2,600,486.30/3,900,741.60 = 917,589.80/x - Step 3: Cross multiply
2,600,486.30x = 3,900,741.60 × 917,589.80 - Step 4: Simplify right side
2,600,486.30x = 3,579,280,704,595.68 - Step 5: Solve for x
x = 3,579,280,704,595.68/2,600,486.30 - Step 6: Final answer
x = 1,376,388.99
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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.