Finding the Fourth Proportional to 1,565,820.96, 2,349,099.12 and 486,278.40
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Solution
The fourth proportional to 1,565,820.96, 2,349,099.12 and 486,278.40 is: 729,531.79
Step by Step Solution
- Step 1: Write the proportion equation
1,565,820.96 : 2,349,099.12 = 486,278.40 : x - Step 2: Convert to fraction form
1,565,820.96/2,349,099.12 = 486,278.40/x - Step 3: Cross multiply
1,565,820.96x = 2,349,099.12 × 486,278.40 - Step 4: Simplify right side
1,565,820.96x = 1,142,316,161,515.01 - Step 5: Solve for x
x = 1,142,316,161,515.01/1,565,820.96 - Step 6: Final answer
x = 729,531.79
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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.