Finding the Fourth Proportional to 1,878,379.68, 2,817,519.12 and 530,635.20
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Solution
The fourth proportional to 1,878,379.68, 2,817,519.12 and 530,635.20 is: 795,938.56
Step by Step Solution
- Step 1: Write the proportion equation
1,878,379.68 : 2,817,519.12 = 530,635.20 : x - Step 2: Convert to fraction form
1,878,379.68/2,817,519.12 = 530,635.20/x - Step 3: Cross multiply
1,878,379.68x = 2,817,519.12 × 530,635.20 - Step 4: Simplify right side
1,878,379.68x = 1,495,074,821,745.02 - Step 5: Solve for x
x = 1,495,074,821,745.02/1,878,379.68 - Step 6: Final answer
x = 795,938.56
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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.