Finding the Fourth Proportional to 1,580,638.32, 2,370,873.84 and 443,479.68
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Solution
The fourth proportional to 1,580,638.32, 2,370,873.84 and 443,479.68 is: 665,196.05
Step by Step Solution
- Step 1: Write the proportion equation
1,580,638.32 : 2,370,873.84 = 443,479.68 : x - Step 2: Convert to fraction form
1,580,638.32/2,370,873.84 = 443,479.68/x - Step 3: Cross multiply
1,580,638.32x = 2,370,873.84 × 443,479.68 - Step 4: Simplify right side
1,580,638.32x = 1,051,434,371,883.57 - Step 5: Solve for x
x = 1,051,434,371,883.57/1,580,638.32 - Step 6: Final answer
x = 665,196.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.