Finding the Fourth Proportional to 1,380,695.17, 2,068,219.37 and 1,125,437.44
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Solution
The fourth proportional to 1,380,695.17, 2,068,219.37 and 1,125,437.44 is: 1,685,854.75
Step by Step Solution
- Step 1: Write the proportion equation
1,380,695.17 : 2,068,219.37 = 1,125,437.44 : x - Step 2: Convert to fraction form
1,380,695.17/2,068,219.37 = 1,125,437.44/x - Step 3: Cross multiply
1,380,695.17x = 2,068,219.37 × 1,125,437.44 - Step 4: Simplify right side
1,380,695.17x = 2,327,651,514,652.17 - Step 5: Solve for x
x = 2,327,651,514,652.17/1,380,695.17 - Step 6: Final answer
x = 1,685,854.75
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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.